diff --git a/common/config/rush/version-policies.json b/common/config/rush/version-policies.json
index 687745ddc..ea25ca995 100644
--- a/common/config/rush/version-policies.json
+++ b/common/config/rush/version-policies.json
@@ -2,7 +2,7 @@
   {
     "policyName": "patchAll",
     "definitionName": "lockStepVersion",
-    "version": "1.1.0",
+    "version": "1.2.0",
     "nextBump": "patch"
   }
 ]
diff --git a/packages/0xcert-cert/CHANGELOG.json b/packages/0xcert-cert/CHANGELOG.json
index 9eb656054..063239c38 100644
--- a/packages/0xcert-cert/CHANGELOG.json
+++ b/packages/0xcert-cert/CHANGELOG.json
@@ -1,6 +1,12 @@
 {
   "name": "@0xcert/cert",
   "entries": [
+    {
+      "version": "1.2.0",
+      "tag": "@0xcert/cert_v1.2.0",
+      "date": "Tue, 23 Apr 2019 14:07:07 GMT",
+      "comments": {}
+    },
     {
       "version": "1.1.0",
       "tag": "@0xcert/cert_v1.1.0",
diff --git a/packages/0xcert-cert/CHANGELOG.md b/packages/0xcert-cert/CHANGELOG.md
index be4eb55ca..38c4d8e0c 100644
--- a/packages/0xcert-cert/CHANGELOG.md
+++ b/packages/0xcert-cert/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Change Log - @0xcert/cert
 
-This log was last generated on Tue, 23 Apr 2019 14:00:03 GMT and should not be manually modified.
+This log was last generated on Tue, 23 Apr 2019 14:07:07 GMT and should not be manually modified.
+
+## 1.2.0
+Tue, 23 Apr 2019 14:07:07 GMT
+
+*Version update only*
 
 ## 1.1.0
 Tue, 23 Apr 2019 14:00:03 GMT
diff --git a/packages/0xcert-cert/package.json b/packages/0xcert-cert/package.json
index 3f026f852..de3aeafca 100644
--- a/packages/0xcert-cert/package.json
+++ b/packages/0xcert-cert/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@0xcert/cert",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Asset certification module for 0xcert Framework.",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
@@ -72,8 +72,8 @@
     "typescript": "^3.1.1"
   },
   "dependencies": {
-    "@0xcert/utils": "1.1.0",
-    "@0xcert/merkle": "1.1.0",
-    "@0xcert/conventions": "1.1.0"
+    "@0xcert/utils": "1.2.0",
+    "@0xcert/merkle": "1.2.0",
+    "@0xcert/conventions": "1.2.0"
   }
 }
diff --git a/packages/0xcert-conventions/CHANGELOG.json b/packages/0xcert-conventions/CHANGELOG.json
index 97992fed8..ff07a9caa 100644
--- a/packages/0xcert-conventions/CHANGELOG.json
+++ b/packages/0xcert-conventions/CHANGELOG.json
@@ -1,6 +1,12 @@
 {
   "name": "@0xcert/conventions",
   "entries": [
+    {
+      "version": "1.2.0",
+      "tag": "@0xcert/conventions_v1.2.0",
+      "date": "Tue, 23 Apr 2019 14:07:07 GMT",
+      "comments": {}
+    },
     {
       "version": "1.1.0",
       "tag": "@0xcert/conventions_v1.1.0",
diff --git a/packages/0xcert-conventions/CHANGELOG.md b/packages/0xcert-conventions/CHANGELOG.md
index 3073f8bfd..99447bab6 100644
--- a/packages/0xcert-conventions/CHANGELOG.md
+++ b/packages/0xcert-conventions/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Change Log - @0xcert/conventions
 
-This log was last generated on Tue, 23 Apr 2019 14:00:03 GMT and should not be manually modified.
+This log was last generated on Tue, 23 Apr 2019 14:07:07 GMT and should not be manually modified.
+
+## 1.2.0
+Tue, 23 Apr 2019 14:07:07 GMT
+
+*Version update only*
 
 ## 1.1.0
 Tue, 23 Apr 2019 14:00:03 GMT
diff --git a/packages/0xcert-conventions/package.json b/packages/0xcert-conventions/package.json
index 3ee219e9f..b4f32e6c8 100644
--- a/packages/0xcert-conventions/package.json
+++ b/packages/0xcert-conventions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@0xcert/conventions",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Module with implementation of all confirmed conventions.",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
@@ -64,7 +64,7 @@
   ],
   "license": "MIT",
   "devDependencies": {
-    "@0xcert/utils": "1.1.0",
+    "@0xcert/utils": "1.2.0",
     "@hayspec/cli": "^0.8.3",
     "@hayspec/spec": "^0.8.3",
     "ajv": "^6.7.0",
diff --git a/packages/0xcert-ethereum-asset-ledger/CHANGELOG.json b/packages/0xcert-ethereum-asset-ledger/CHANGELOG.json
index 860394141..590408777 100644
--- a/packages/0xcert-ethereum-asset-ledger/CHANGELOG.json
+++ b/packages/0xcert-ethereum-asset-ledger/CHANGELOG.json
@@ -1,6 +1,12 @@
 {
   "name": "@0xcert/ethereum-asset-ledger",
   "entries": [
+    {
+      "version": "1.2.0",
+      "tag": "@0xcert/ethereum-asset-ledger_v1.2.0",
+      "date": "Tue, 23 Apr 2019 14:07:07 GMT",
+      "comments": {}
+    },
     {
       "version": "1.1.0",
       "tag": "@0xcert/ethereum-asset-ledger_v1.1.0",
diff --git a/packages/0xcert-ethereum-asset-ledger/CHANGELOG.md b/packages/0xcert-ethereum-asset-ledger/CHANGELOG.md
index 6ee578ca7..6d0de9417 100644
--- a/packages/0xcert-ethereum-asset-ledger/CHANGELOG.md
+++ b/packages/0xcert-ethereum-asset-ledger/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Change Log - @0xcert/ethereum-asset-ledger
 
-This log was last generated on Tue, 23 Apr 2019 14:00:03 GMT and should not be manually modified.
+This log was last generated on Tue, 23 Apr 2019 14:07:07 GMT and should not be manually modified.
+
+## 1.2.0
+Tue, 23 Apr 2019 14:07:07 GMT
+
+*Version update only*
 
 ## 1.1.0
 Tue, 23 Apr 2019 14:00:03 GMT
diff --git a/packages/0xcert-ethereum-asset-ledger/package.json b/packages/0xcert-ethereum-asset-ledger/package.json
index 696a8a10b..33f40a073 100644
--- a/packages/0xcert-ethereum-asset-ledger/package.json
+++ b/packages/0xcert-ethereum-asset-ledger/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@0xcert/ethereum-asset-ledger",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Asset ledger module for asset management on the Ethereum blockchain.",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
@@ -67,8 +67,8 @@
   ],
   "license": "MIT",
   "devDependencies": {
-    "@0xcert/ethereum-sandbox": "1.1.0",
-    "@0xcert/ethereum-order-gateway": "1.1.0",
+    "@0xcert/ethereum-sandbox": "1.2.0",
+    "@0xcert/ethereum-order-gateway": "1.2.0",
     "@specron/cli": "^0.5.6",
     "@specron/spec": "^0.5.6",
     "nyc": "^13.1.0",
@@ -79,9 +79,9 @@
     "web3": "1.0.0-beta.37"
   },
   "dependencies": {
-    "@0xcert/ethereum-generic-provider": "1.1.0",
+    "@0xcert/ethereum-generic-provider": "1.2.0",
     "@0xcert/ethereum-utils": "1.2.0",
-    "@0xcert/scaffold": "1.1.0",
-    "@0xcert/utils": "1.1.0"
+    "@0xcert/scaffold": "1.2.0",
+    "@0xcert/utils": "1.2.0"
   }
 }
diff --git a/packages/0xcert-ethereum-erc20-contracts/CHANGELOG.json b/packages/0xcert-ethereum-erc20-contracts/CHANGELOG.json
index 2056011a8..3442131da 100644
--- a/packages/0xcert-ethereum-erc20-contracts/CHANGELOG.json
+++ b/packages/0xcert-ethereum-erc20-contracts/CHANGELOG.json
@@ -1,6 +1,12 @@
 {
   "name": "@0xcert/ethereum-erc20-contracts",
   "entries": [
+    {
+      "version": "1.2.0",
+      "tag": "@0xcert/ethereum-erc20-contracts_v1.2.0",
+      "date": "Tue, 23 Apr 2019 14:07:07 GMT",
+      "comments": {}
+    },
     {
       "version": "1.1.0",
       "tag": "@0xcert/ethereum-erc20-contracts_v1.1.0",
diff --git a/packages/0xcert-ethereum-erc20-contracts/CHANGELOG.md b/packages/0xcert-ethereum-erc20-contracts/CHANGELOG.md
index 3b5a01fec..430a9ac9e 100644
--- a/packages/0xcert-ethereum-erc20-contracts/CHANGELOG.md
+++ b/packages/0xcert-ethereum-erc20-contracts/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Change Log - @0xcert/ethereum-erc20-contracts
 
-This log was last generated on Tue, 23 Apr 2019 14:00:03 GMT and should not be manually modified.
+This log was last generated on Tue, 23 Apr 2019 14:07:07 GMT and should not be manually modified.
+
+## 1.2.0
+Tue, 23 Apr 2019 14:07:07 GMT
+
+*Version update only*
 
 ## 1.1.0
 Tue, 23 Apr 2019 14:00:03 GMT
diff --git a/packages/0xcert-ethereum-erc20-contracts/package.json b/packages/0xcert-ethereum-erc20-contracts/package.json
index 9cf39e47c..a5c057d57 100644
--- a/packages/0xcert-ethereum-erc20-contracts/package.json
+++ b/packages/0xcert-ethereum-erc20-contracts/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@0xcert/ethereum-erc20-contracts",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Smart contract implementation of the ERC-20 standard on the Ethereum blockchain.",
   "scripts": {
     "build": "npm run clean && npx specron compile && npx tsc",
@@ -63,7 +63,7 @@
   ],
   "license": "MIT",
   "devDependencies": {
-    "@0xcert/ethereum-utils-contracts": "1.1.0",
+    "@0xcert/ethereum-utils-contracts": "1.2.0",
     "@specron/cli": "^0.5.6",
     "@specron/spec": "^0.5.6",
     "solc": "0.5.6",
diff --git a/packages/0xcert-ethereum-erc721-contracts/CHANGELOG.json b/packages/0xcert-ethereum-erc721-contracts/CHANGELOG.json
index e161306dc..451b3cc73 100644
--- a/packages/0xcert-ethereum-erc721-contracts/CHANGELOG.json
+++ b/packages/0xcert-ethereum-erc721-contracts/CHANGELOG.json
@@ -1,6 +1,12 @@
 {
   "name": "@0xcert/ethereum-erc721-contracts",
   "entries": [
+    {
+      "version": "1.2.0",
+      "tag": "@0xcert/ethereum-erc721-contracts_v1.2.0",
+      "date": "Tue, 23 Apr 2019 14:07:07 GMT",
+      "comments": {}
+    },
     {
       "version": "1.1.0",
       "tag": "@0xcert/ethereum-erc721-contracts_v1.1.0",
diff --git a/packages/0xcert-ethereum-erc721-contracts/CHANGELOG.md b/packages/0xcert-ethereum-erc721-contracts/CHANGELOG.md
index c74717961..f351b3ddd 100644
--- a/packages/0xcert-ethereum-erc721-contracts/CHANGELOG.md
+++ b/packages/0xcert-ethereum-erc721-contracts/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Change Log - @0xcert/ethereum-erc721-contracts
 
-This log was last generated on Tue, 23 Apr 2019 14:00:03 GMT and should not be manually modified.
+This log was last generated on Tue, 23 Apr 2019 14:07:07 GMT and should not be manually modified.
+
+## 1.2.0
+Tue, 23 Apr 2019 14:07:07 GMT
+
+*Version update only*
 
 ## 1.1.0
 Tue, 23 Apr 2019 14:00:03 GMT
diff --git a/packages/0xcert-ethereum-erc721-contracts/package.json b/packages/0xcert-ethereum-erc721-contracts/package.json
index b5b30a541..d9cd7c59a 100644
--- a/packages/0xcert-ethereum-erc721-contracts/package.json
+++ b/packages/0xcert-ethereum-erc721-contracts/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@0xcert/ethereum-erc721-contracts",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Smart contract implementation of the ERC-721 standard on the Ethereum blockchain.",
   "scripts": {
     "build": "npm run clean && npx specron compile && npx tsc",
@@ -63,7 +63,7 @@
   ],
   "license": "MIT",
   "devDependencies": {
-    "@0xcert/ethereum-utils-contracts": "1.1.0",
+    "@0xcert/ethereum-utils-contracts": "1.2.0",
     "@specron/cli": "^0.5.6",
     "@specron/spec": "^0.5.6",
     "solc": "0.5.6",
diff --git a/packages/0xcert-ethereum-generic-provider/CHANGELOG.json b/packages/0xcert-ethereum-generic-provider/CHANGELOG.json
index a1f33061b..670011257 100644
--- a/packages/0xcert-ethereum-generic-provider/CHANGELOG.json
+++ b/packages/0xcert-ethereum-generic-provider/CHANGELOG.json
@@ -1,6 +1,12 @@
 {
   "name": "@0xcert/ethereum-generic-provider",
   "entries": [
+    {
+      "version": "1.2.0",
+      "tag": "@0xcert/ethereum-generic-provider_v1.2.0",
+      "date": "Tue, 23 Apr 2019 14:07:07 GMT",
+      "comments": {}
+    },
     {
       "version": "1.1.0",
       "tag": "@0xcert/ethereum-generic-provider_v1.1.0",
diff --git a/packages/0xcert-ethereum-generic-provider/CHANGELOG.md b/packages/0xcert-ethereum-generic-provider/CHANGELOG.md
index b983b3b44..d21d0dde1 100644
--- a/packages/0xcert-ethereum-generic-provider/CHANGELOG.md
+++ b/packages/0xcert-ethereum-generic-provider/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Change Log - @0xcert/ethereum-generic-provider
 
-This log was last generated on Tue, 23 Apr 2019 14:00:03 GMT and should not be manually modified.
+This log was last generated on Tue, 23 Apr 2019 14:07:07 GMT and should not be manually modified.
+
+## 1.2.0
+Tue, 23 Apr 2019 14:07:07 GMT
+
+*Version update only*
 
 ## 1.1.0
 Tue, 23 Apr 2019 14:00:03 GMT
diff --git a/packages/0xcert-ethereum-generic-provider/package.json b/packages/0xcert-ethereum-generic-provider/package.json
index 707528d5b..f0e4717c2 100644
--- a/packages/0xcert-ethereum-generic-provider/package.json
+++ b/packages/0xcert-ethereum-generic-provider/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@0xcert/ethereum-generic-provider",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Basic implementation of communication provider for the Ethereum blockchain.",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
@@ -67,7 +67,7 @@
   ],
   "license": "MIT",
   "devDependencies": {
-    "@0xcert/ethereum-sandbox": "1.1.0",
+    "@0xcert/ethereum-sandbox": "1.2.0",
     "@types/node": "^10.12.24",
     "@specron/cli": "^0.5.6",
     "@specron/spec": "^0.5.6",
@@ -81,7 +81,7 @@
   },
   "dependencies": {
     "@0xcert/ethereum-utils": "1.2.0",
-    "@0xcert/scaffold": "1.1.0",
+    "@0xcert/scaffold": "1.2.0",
     "events": "^3.0.0"
   }
 }
diff --git a/packages/0xcert-ethereum-http-provider/CHANGELOG.json b/packages/0xcert-ethereum-http-provider/CHANGELOG.json
index 509ba4049..1edd4e612 100644
--- a/packages/0xcert-ethereum-http-provider/CHANGELOG.json
+++ b/packages/0xcert-ethereum-http-provider/CHANGELOG.json
@@ -1,6 +1,12 @@
 {
   "name": "@0xcert/ethereum-http-provider",
   "entries": [
+    {
+      "version": "1.2.0",
+      "tag": "@0xcert/ethereum-http-provider_v1.2.0",
+      "date": "Tue, 23 Apr 2019 14:07:07 GMT",
+      "comments": {}
+    },
     {
       "version": "1.1.0",
       "tag": "@0xcert/ethereum-http-provider_v1.1.0",
diff --git a/packages/0xcert-ethereum-http-provider/CHANGELOG.md b/packages/0xcert-ethereum-http-provider/CHANGELOG.md
index 99f72e6a3..e916aa7c5 100644
--- a/packages/0xcert-ethereum-http-provider/CHANGELOG.md
+++ b/packages/0xcert-ethereum-http-provider/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Change Log - @0xcert/ethereum-http-provider
 
-This log was last generated on Tue, 23 Apr 2019 14:00:03 GMT and should not be manually modified.
+This log was last generated on Tue, 23 Apr 2019 14:07:07 GMT and should not be manually modified.
+
+## 1.2.0
+Tue, 23 Apr 2019 14:07:07 GMT
+
+*Version update only*
 
 ## 1.1.0
 Tue, 23 Apr 2019 14:00:03 GMT
diff --git a/packages/0xcert-ethereum-http-provider/package.json b/packages/0xcert-ethereum-http-provider/package.json
index edac2c356..d13675007 100644
--- a/packages/0xcert-ethereum-http-provider/package.json
+++ b/packages/0xcert-ethereum-http-provider/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@0xcert/ethereum-http-provider",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Implementation of HTTP communication provider for the Ethereum blockchain.",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
@@ -67,7 +67,7 @@
   ],
   "license": "MIT",
   "devDependencies": {
-    "@0xcert/ethereum-sandbox": "1.1.0",
+    "@0xcert/ethereum-sandbox": "1.2.0",
     "@specron/cli": "^0.5.6",
     "@specron/spec": "^0.5.6",
     "nyc": "^13.1.0",
@@ -78,7 +78,7 @@
     "web3": "1.0.0-beta.37"
   },
   "dependencies": {
-    "@0xcert/ethereum-generic-provider": "1.1.0",
-    "@0xcert/utils": "1.1.0"
+    "@0xcert/ethereum-generic-provider": "1.2.0",
+    "@0xcert/utils": "1.2.0"
   }
 }
diff --git a/packages/0xcert-ethereum-metamask-provider/CHANGELOG.json b/packages/0xcert-ethereum-metamask-provider/CHANGELOG.json
index f29a4d36a..7e38ed273 100644
--- a/packages/0xcert-ethereum-metamask-provider/CHANGELOG.json
+++ b/packages/0xcert-ethereum-metamask-provider/CHANGELOG.json
@@ -1,6 +1,12 @@
 {
   "name": "@0xcert/ethereum-metamask-provider",
   "entries": [
+    {
+      "version": "1.2.0",
+      "tag": "@0xcert/ethereum-metamask-provider_v1.2.0",
+      "date": "Tue, 23 Apr 2019 14:07:07 GMT",
+      "comments": {}
+    },
     {
       "version": "1.1.0",
       "tag": "@0xcert/ethereum-metamask-provider_v1.1.0",
diff --git a/packages/0xcert-ethereum-metamask-provider/CHANGELOG.md b/packages/0xcert-ethereum-metamask-provider/CHANGELOG.md
index a43d8154c..ccd5566bf 100644
--- a/packages/0xcert-ethereum-metamask-provider/CHANGELOG.md
+++ b/packages/0xcert-ethereum-metamask-provider/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Change Log - @0xcert/ethereum-metamask-provider
 
-This log was last generated on Tue, 23 Apr 2019 14:00:03 GMT and should not be manually modified.
+This log was last generated on Tue, 23 Apr 2019 14:07:07 GMT and should not be manually modified.
+
+## 1.2.0
+Tue, 23 Apr 2019 14:07:07 GMT
+
+*Version update only*
 
 ## 1.1.0
 Tue, 23 Apr 2019 14:00:03 GMT
diff --git a/packages/0xcert-ethereum-metamask-provider/package.json b/packages/0xcert-ethereum-metamask-provider/package.json
index 2e37bb3f4..420c4486b 100644
--- a/packages/0xcert-ethereum-metamask-provider/package.json
+++ b/packages/0xcert-ethereum-metamask-provider/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@0xcert/ethereum-metamask-provider",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Implementation of MetaMask communication provider for the Ethereum blockchain.",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
@@ -67,7 +67,7 @@
   ],
   "license": "MIT",
   "devDependencies": {
-    "@0xcert/ethereum-sandbox": "1.1.0",
+    "@0xcert/ethereum-sandbox": "1.2.0",
     "@specron/cli": "^0.5.6",
     "@specron/spec": "^0.5.6",
     "nyc": "^13.1.0",
@@ -78,6 +78,6 @@
     "web3": "1.0.0-beta.37"
   },
   "dependencies": {
-    "@0xcert/ethereum-generic-provider": "1.1.0"
+    "@0xcert/ethereum-generic-provider": "1.2.0"
   }
 }
diff --git a/packages/0xcert-ethereum-order-gateway-contracts/CHANGELOG.json b/packages/0xcert-ethereum-order-gateway-contracts/CHANGELOG.json
index 5181f5c89..913a0ca3a 100644
--- a/packages/0xcert-ethereum-order-gateway-contracts/CHANGELOG.json
+++ b/packages/0xcert-ethereum-order-gateway-contracts/CHANGELOG.json
@@ -1,6 +1,12 @@
 {
   "name": "@0xcert/ethereum-order-gateway-contracts",
   "entries": [
+    {
+      "version": "1.2.0",
+      "tag": "@0xcert/ethereum-order-gateway-contracts_v1.2.0",
+      "date": "Tue, 23 Apr 2019 14:07:07 GMT",
+      "comments": {}
+    },
     {
       "version": "1.1.0",
       "tag": "@0xcert/ethereum-order-gateway-contracts_v1.1.0",
diff --git a/packages/0xcert-ethereum-order-gateway-contracts/CHANGELOG.md b/packages/0xcert-ethereum-order-gateway-contracts/CHANGELOG.md
index 76637e165..4981b478d 100644
--- a/packages/0xcert-ethereum-order-gateway-contracts/CHANGELOG.md
+++ b/packages/0xcert-ethereum-order-gateway-contracts/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Change Log - @0xcert/ethereum-order-gateway-contracts
 
-This log was last generated on Tue, 23 Apr 2019 14:00:03 GMT and should not be manually modified.
+This log was last generated on Tue, 23 Apr 2019 14:07:07 GMT and should not be manually modified.
+
+## 1.2.0
+Tue, 23 Apr 2019 14:07:07 GMT
+
+*Version update only*
 
 ## 1.1.0
 Tue, 23 Apr 2019 14:00:03 GMT
diff --git a/packages/0xcert-ethereum-order-gateway-contracts/package.json b/packages/0xcert-ethereum-order-gateway-contracts/package.json
index 99bb1bc4d..b8b2d9c02 100644
--- a/packages/0xcert-ethereum-order-gateway-contracts/package.json
+++ b/packages/0xcert-ethereum-order-gateway-contracts/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@0xcert/ethereum-order-gateway-contracts",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Smart contracts used by the order gateway on the Ethereum blockchain.",
   "scripts": {
     "build": "npm run clean && npx specron compile && npx tsc",
@@ -73,11 +73,11 @@
   ],
   "license": "MIT",
   "devDependencies": {
-    "@0xcert/ethereum-utils-contracts": "1.1.0",
-    "@0xcert/ethereum-erc20-contracts": "1.1.0",
-    "@0xcert/ethereum-erc721-contracts": "1.1.0",
-    "@0xcert/ethereum-xcert-contracts": "1.1.0",
-    "@0xcert/ethereum-proxy-contracts": "1.1.0",
+    "@0xcert/ethereum-utils-contracts": "1.2.0",
+    "@0xcert/ethereum-erc20-contracts": "1.2.0",
+    "@0xcert/ethereum-erc721-contracts": "1.2.0",
+    "@0xcert/ethereum-xcert-contracts": "1.2.0",
+    "@0xcert/ethereum-proxy-contracts": "1.2.0",
     "@specron/cli": "^0.5.6",
     "@specron/spec": "^0.5.6",
     "solc": "0.5.6",
diff --git a/packages/0xcert-ethereum-order-gateway/CHANGELOG.json b/packages/0xcert-ethereum-order-gateway/CHANGELOG.json
index 3b3805e65..c9c84e104 100644
--- a/packages/0xcert-ethereum-order-gateway/CHANGELOG.json
+++ b/packages/0xcert-ethereum-order-gateway/CHANGELOG.json
@@ -1,6 +1,12 @@
 {
   "name": "@0xcert/ethereum-order-gateway",
   "entries": [
+    {
+      "version": "1.2.0",
+      "tag": "@0xcert/ethereum-order-gateway_v1.2.0",
+      "date": "Tue, 23 Apr 2019 14:07:07 GMT",
+      "comments": {}
+    },
     {
       "version": "1.1.0",
       "tag": "@0xcert/ethereum-order-gateway_v1.1.0",
diff --git a/packages/0xcert-ethereum-order-gateway/CHANGELOG.md b/packages/0xcert-ethereum-order-gateway/CHANGELOG.md
index f8ea30595..e5623894b 100644
--- a/packages/0xcert-ethereum-order-gateway/CHANGELOG.md
+++ b/packages/0xcert-ethereum-order-gateway/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Change Log - @0xcert/ethereum-order-gateway
 
-This log was last generated on Tue, 23 Apr 2019 14:00:03 GMT and should not be manually modified.
+This log was last generated on Tue, 23 Apr 2019 14:07:07 GMT and should not be manually modified.
+
+## 1.2.0
+Tue, 23 Apr 2019 14:07:07 GMT
+
+*Version update only*
 
 ## 1.1.0
 Tue, 23 Apr 2019 14:00:03 GMT
diff --git a/packages/0xcert-ethereum-order-gateway/package.json b/packages/0xcert-ethereum-order-gateway/package.json
index c452a8225..0ebb2fec5 100644
--- a/packages/0xcert-ethereum-order-gateway/package.json
+++ b/packages/0xcert-ethereum-order-gateway/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@0xcert/ethereum-order-gateway",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Order gateway module for executing atomic operations on the Ethereum blockchain.",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
@@ -67,7 +67,7 @@
   ],
   "license": "MIT",
   "devDependencies": {
-    "@0xcert/ethereum-sandbox": "1.1.0",
+    "@0xcert/ethereum-sandbox": "1.2.0",
     "@specron/cli": "^0.5.6",
     "@specron/spec": "^0.5.6",
     "nyc": "^13.1.0",
@@ -78,9 +78,9 @@
     "web3": "1.0.0-beta.37"
   },
   "dependencies": {
-    "@0xcert/ethereum-generic-provider": "1.1.0",
+    "@0xcert/ethereum-generic-provider": "1.2.0",
     "@0xcert/ethereum-utils": "1.2.0",
-    "@0xcert/scaffold": "1.1.0",
-    "@0xcert/utils": "1.1.0"
+    "@0xcert/scaffold": "1.2.0",
+    "@0xcert/utils": "1.2.0"
   }
 }
diff --git a/packages/0xcert-ethereum-proxy-contracts/CHANGELOG.json b/packages/0xcert-ethereum-proxy-contracts/CHANGELOG.json
index f406a4955..fbc4fb5ad 100644
--- a/packages/0xcert-ethereum-proxy-contracts/CHANGELOG.json
+++ b/packages/0xcert-ethereum-proxy-contracts/CHANGELOG.json
@@ -1,6 +1,12 @@
 {
   "name": "@0xcert/ethereum-proxy-contracts",
   "entries": [
+    {
+      "version": "1.2.0",
+      "tag": "@0xcert/ethereum-proxy-contracts_v1.2.0",
+      "date": "Tue, 23 Apr 2019 14:07:07 GMT",
+      "comments": {}
+    },
     {
       "version": "1.1.0",
       "tag": "@0xcert/ethereum-proxy-contracts_v1.1.0",
diff --git a/packages/0xcert-ethereum-proxy-contracts/CHANGELOG.md b/packages/0xcert-ethereum-proxy-contracts/CHANGELOG.md
index 348e2546e..3d2db8c0b 100644
--- a/packages/0xcert-ethereum-proxy-contracts/CHANGELOG.md
+++ b/packages/0xcert-ethereum-proxy-contracts/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Change Log - @0xcert/ethereum-proxy-contracts
 
-This log was last generated on Tue, 23 Apr 2019 14:00:03 GMT and should not be manually modified.
+This log was last generated on Tue, 23 Apr 2019 14:07:07 GMT and should not be manually modified.
+
+## 1.2.0
+Tue, 23 Apr 2019 14:07:07 GMT
+
+*Version update only*
 
 ## 1.1.0
 Tue, 23 Apr 2019 14:00:03 GMT
diff --git a/packages/0xcert-ethereum-proxy-contracts/package.json b/packages/0xcert-ethereum-proxy-contracts/package.json
index 567ebdeb8..3974f77be 100644
--- a/packages/0xcert-ethereum-proxy-contracts/package.json
+++ b/packages/0xcert-ethereum-proxy-contracts/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@0xcert/ethereum-proxy-contracts",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Proxy smart contracts used by the order gateway when communicating with the Ethereum blockchain.",
   "scripts": {
     "build": "npm run clean && npx specron compile && npx tsc",
@@ -64,10 +64,10 @@
   "license": "MIT",
   "devDependencies": {
     "@0xcert/ethereum-utils": "1.2.0",
-    "@0xcert/ethereum-utils-contracts": "1.1.0",
-    "@0xcert/ethereum-erc20-contracts": "1.1.0",
-    "@0xcert/ethereum-erc721-contracts": "1.1.0",
-    "@0xcert/ethereum-xcert-contracts": "1.1.0",
+    "@0xcert/ethereum-utils-contracts": "1.2.0",
+    "@0xcert/ethereum-erc20-contracts": "1.2.0",
+    "@0xcert/ethereum-erc721-contracts": "1.2.0",
+    "@0xcert/ethereum-xcert-contracts": "1.2.0",
     "@specron/cli": "^0.5.6",
     "@specron/spec": "^0.5.6",
     "solc": "0.5.6",
diff --git a/packages/0xcert-ethereum-sandbox/CHANGELOG.json b/packages/0xcert-ethereum-sandbox/CHANGELOG.json
index 8825bcfa1..978413786 100644
--- a/packages/0xcert-ethereum-sandbox/CHANGELOG.json
+++ b/packages/0xcert-ethereum-sandbox/CHANGELOG.json
@@ -1,6 +1,12 @@
 {
   "name": "@0xcert/ethereum-sandbox",
   "entries": [
+    {
+      "version": "1.2.0",
+      "tag": "@0xcert/ethereum-sandbox_v1.2.0",
+      "date": "Tue, 23 Apr 2019 14:07:07 GMT",
+      "comments": {}
+    },
     {
       "version": "1.1.0",
       "tag": "@0xcert/ethereum-sandbox_v1.1.0",
diff --git a/packages/0xcert-ethereum-sandbox/CHANGELOG.md b/packages/0xcert-ethereum-sandbox/CHANGELOG.md
index ae3cbb77e..46535077b 100644
--- a/packages/0xcert-ethereum-sandbox/CHANGELOG.md
+++ b/packages/0xcert-ethereum-sandbox/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Change Log - @0xcert/ethereum-sandbox
 
-This log was last generated on Tue, 23 Apr 2019 14:00:03 GMT and should not be manually modified.
+This log was last generated on Tue, 23 Apr 2019 14:07:07 GMT and should not be manually modified.
+
+## 1.2.0
+Tue, 23 Apr 2019 14:07:07 GMT
+
+*Version update only*
 
 ## 1.1.0
 Tue, 23 Apr 2019 14:00:03 GMT
diff --git a/packages/0xcert-ethereum-sandbox/package.json b/packages/0xcert-ethereum-sandbox/package.json
index 130178395..a8a78883a 100644
--- a/packages/0xcert-ethereum-sandbox/package.json
+++ b/packages/0xcert-ethereum-sandbox/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@0xcert/ethereum-sandbox",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Test server for local running testing of modules on the Ethereum blockchain.",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
@@ -76,10 +76,10 @@
     "web3": "1.0.0-beta.37"
   },
   "dependencies": {
-    "@0xcert/ethereum-order-gateway-contracts": "1.1.0",
-    "@0xcert/ethereum-erc20-contracts": "1.1.0",
-    "@0xcert/ethereum-erc721-contracts": "1.1.0",
-    "@0xcert/ethereum-proxy-contracts": "1.1.0",
-    "@0xcert/ethereum-xcert-contracts": "1.1.0"
+    "@0xcert/ethereum-order-gateway-contracts": "1.2.0",
+    "@0xcert/ethereum-erc20-contracts": "1.2.0",
+    "@0xcert/ethereum-erc721-contracts": "1.2.0",
+    "@0xcert/ethereum-proxy-contracts": "1.2.0",
+    "@0xcert/ethereum-xcert-contracts": "1.2.0"
   }
 }
diff --git a/packages/0xcert-ethereum-utils-contracts/CHANGELOG.json b/packages/0xcert-ethereum-utils-contracts/CHANGELOG.json
index 3331e18ad..f19ae52b9 100644
--- a/packages/0xcert-ethereum-utils-contracts/CHANGELOG.json
+++ b/packages/0xcert-ethereum-utils-contracts/CHANGELOG.json
@@ -1,6 +1,12 @@
 {
   "name": "@0xcert/ethereum-utils-contracts",
   "entries": [
+    {
+      "version": "1.2.0",
+      "tag": "@0xcert/ethereum-utils-contracts_v1.2.0",
+      "date": "Tue, 23 Apr 2019 14:07:07 GMT",
+      "comments": {}
+    },
     {
       "version": "1.1.0",
       "tag": "@0xcert/ethereum-utils-contracts_v1.1.0",
diff --git a/packages/0xcert-ethereum-utils-contracts/CHANGELOG.md b/packages/0xcert-ethereum-utils-contracts/CHANGELOG.md
index 98c1a642b..293984f00 100644
--- a/packages/0xcert-ethereum-utils-contracts/CHANGELOG.md
+++ b/packages/0xcert-ethereum-utils-contracts/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Change Log - @0xcert/ethereum-utils-contracts
 
-This log was last generated on Tue, 23 Apr 2019 14:00:03 GMT and should not be manually modified.
+This log was last generated on Tue, 23 Apr 2019 14:07:07 GMT and should not be manually modified.
+
+## 1.2.0
+Tue, 23 Apr 2019 14:07:07 GMT
+
+*Version update only*
 
 ## 1.1.0
 Tue, 23 Apr 2019 14:00:03 GMT
diff --git a/packages/0xcert-ethereum-utils-contracts/package.json b/packages/0xcert-ethereum-utils-contracts/package.json
index 2795f093d..3911b79a4 100644
--- a/packages/0xcert-ethereum-utils-contracts/package.json
+++ b/packages/0xcert-ethereum-utils-contracts/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@0xcert/ethereum-utils-contracts",
   "description": "General utility module with helper smart contracts.",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "scripts": {
     "build": "npm run clean && npx specron compile && npx tsc",
     "clean": "rm -Rf ./build",
diff --git a/packages/0xcert-ethereum-value-ledger/CHANGELOG.json b/packages/0xcert-ethereum-value-ledger/CHANGELOG.json
index b3c1f41d9..d6cdac573 100644
--- a/packages/0xcert-ethereum-value-ledger/CHANGELOG.json
+++ b/packages/0xcert-ethereum-value-ledger/CHANGELOG.json
@@ -1,6 +1,12 @@
 {
   "name": "@0xcert/ethereum-value-ledger",
   "entries": [
+    {
+      "version": "1.2.0",
+      "tag": "@0xcert/ethereum-value-ledger_v1.2.0",
+      "date": "Tue, 23 Apr 2019 14:07:07 GMT",
+      "comments": {}
+    },
     {
       "version": "1.1.0",
       "tag": "@0xcert/ethereum-value-ledger_v1.1.0",
diff --git a/packages/0xcert-ethereum-value-ledger/CHANGELOG.md b/packages/0xcert-ethereum-value-ledger/CHANGELOG.md
index 0d6a8314a..2d4de1f7f 100644
--- a/packages/0xcert-ethereum-value-ledger/CHANGELOG.md
+++ b/packages/0xcert-ethereum-value-ledger/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Change Log - @0xcert/ethereum-value-ledger
 
-This log was last generated on Tue, 23 Apr 2019 14:00:03 GMT and should not be manually modified.
+This log was last generated on Tue, 23 Apr 2019 14:07:07 GMT and should not be manually modified.
+
+## 1.2.0
+Tue, 23 Apr 2019 14:07:07 GMT
+
+*Version update only*
 
 ## 1.1.0
 Tue, 23 Apr 2019 14:00:03 GMT
diff --git a/packages/0xcert-ethereum-value-ledger/package.json b/packages/0xcert-ethereum-value-ledger/package.json
index d30cf6231..4b121406f 100644
--- a/packages/0xcert-ethereum-value-ledger/package.json
+++ b/packages/0xcert-ethereum-value-ledger/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@0xcert/ethereum-value-ledger",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Value ledger module for currency management on the Ethereum blockchain.",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
@@ -67,8 +67,8 @@
   ],
   "license": "MIT",
   "devDependencies": {
-    "@0xcert/ethereum-order-gateway": "1.1.0",
-    "@0xcert/ethereum-sandbox": "1.1.0",
+    "@0xcert/ethereum-order-gateway": "1.2.0",
+    "@0xcert/ethereum-sandbox": "1.2.0",
     "@specron/cli": "^0.5.6",
     "@specron/spec": "^0.5.6",
     "nyc": "^13.1.0",
@@ -79,9 +79,9 @@
     "web3": "1.0.0-beta.37"
   },
   "dependencies": {
-    "@0xcert/ethereum-generic-provider": "1.1.0",
+    "@0xcert/ethereum-generic-provider": "1.2.0",
     "@0xcert/ethereum-utils": "1.2.0",
-    "@0xcert/scaffold": "1.1.0",
-    "@0xcert/utils": "1.1.0"
+    "@0xcert/scaffold": "1.2.0",
+    "@0xcert/utils": "1.2.0"
   }
 }
diff --git a/packages/0xcert-ethereum-xcert-contracts/CHANGELOG.json b/packages/0xcert-ethereum-xcert-contracts/CHANGELOG.json
index 0a6d9c075..e9496f58d 100644
--- a/packages/0xcert-ethereum-xcert-contracts/CHANGELOG.json
+++ b/packages/0xcert-ethereum-xcert-contracts/CHANGELOG.json
@@ -1,6 +1,12 @@
 {
   "name": "@0xcert/ethereum-xcert-contracts",
   "entries": [
+    {
+      "version": "1.2.0",
+      "tag": "@0xcert/ethereum-xcert-contracts_v1.2.0",
+      "date": "Tue, 23 Apr 2019 14:07:07 GMT",
+      "comments": {}
+    },
     {
       "version": "1.1.0",
       "tag": "@0xcert/ethereum-xcert-contracts_v1.1.0",
diff --git a/packages/0xcert-ethereum-xcert-contracts/CHANGELOG.md b/packages/0xcert-ethereum-xcert-contracts/CHANGELOG.md
index efd4347dc..501b19b08 100644
--- a/packages/0xcert-ethereum-xcert-contracts/CHANGELOG.md
+++ b/packages/0xcert-ethereum-xcert-contracts/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Change Log - @0xcert/ethereum-xcert-contracts
 
-This log was last generated on Tue, 23 Apr 2019 14:00:03 GMT and should not be manually modified.
+This log was last generated on Tue, 23 Apr 2019 14:07:07 GMT and should not be manually modified.
+
+## 1.2.0
+Tue, 23 Apr 2019 14:07:07 GMT
+
+*Version update only*
 
 ## 1.1.0
 Tue, 23 Apr 2019 14:00:03 GMT
diff --git a/packages/0xcert-ethereum-xcert-contracts/package.json b/packages/0xcert-ethereum-xcert-contracts/package.json
index 96400dcdb..ede67c2fa 100644
--- a/packages/0xcert-ethereum-xcert-contracts/package.json
+++ b/packages/0xcert-ethereum-xcert-contracts/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@0xcert/ethereum-xcert-contracts",
   "description": "Smart contracts used by the Asset ledger on the Ethereum blockchain.",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "scripts": {
     "build": "npm run clean && npx specron compile && npx tsc",
     "clean": "rm -Rf ./build",
@@ -61,8 +61,8 @@
   ],
   "license": "MIT",
   "devDependencies": {
-    "@0xcert/ethereum-utils-contracts": "1.1.0",
-    "@0xcert/ethereum-erc721-contracts": "1.1.0",
+    "@0xcert/ethereum-utils-contracts": "1.2.0",
+    "@0xcert/ethereum-erc721-contracts": "1.2.0",
     "@specron/cli": "^0.5.6",
     "@specron/spec": "^0.5.6",
     "solc": "0.5.6",
diff --git a/packages/0xcert-merkle/CHANGELOG.json b/packages/0xcert-merkle/CHANGELOG.json
index 95a32fa31..84d4d246e 100644
--- a/packages/0xcert-merkle/CHANGELOG.json
+++ b/packages/0xcert-merkle/CHANGELOG.json
@@ -1,6 +1,12 @@
 {
   "name": "@0xcert/merkle",
   "entries": [
+    {
+      "version": "1.2.0",
+      "tag": "@0xcert/merkle_v1.2.0",
+      "date": "Tue, 23 Apr 2019 14:07:07 GMT",
+      "comments": {}
+    },
     {
       "version": "1.1.0",
       "tag": "@0xcert/merkle_v1.1.0",
diff --git a/packages/0xcert-merkle/CHANGELOG.md b/packages/0xcert-merkle/CHANGELOG.md
index a1e5523ae..7b608c2ea 100644
--- a/packages/0xcert-merkle/CHANGELOG.md
+++ b/packages/0xcert-merkle/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Change Log - @0xcert/merkle
 
-This log was last generated on Tue, 23 Apr 2019 14:00:03 GMT and should not be manually modified.
+This log was last generated on Tue, 23 Apr 2019 14:07:07 GMT and should not be manually modified.
+
+## 1.2.0
+Tue, 23 Apr 2019 14:07:07 GMT
+
+*Version update only*
 
 ## 1.1.0
 Tue, 23 Apr 2019 14:00:03 GMT
diff --git a/packages/0xcert-merkle/package.json b/packages/0xcert-merkle/package.json
index 1168162c4..92114d5bc 100644
--- a/packages/0xcert-merkle/package.json
+++ b/packages/0xcert-merkle/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@0xcert/merkle",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Implementation of basic functions of binary Merkle tree.",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
@@ -64,7 +64,7 @@
   ],
   "license": "MIT",
   "devDependencies": {
-    "@0xcert/utils": "1.1.0",
+    "@0xcert/utils": "1.2.0",
     "@hayspec/cli": "^0.8.3",
     "@hayspec/spec": "^0.8.3",
     "nyc": "^13.1.0",
diff --git a/packages/0xcert-scaffold/CHANGELOG.json b/packages/0xcert-scaffold/CHANGELOG.json
index 165624072..11167577d 100644
--- a/packages/0xcert-scaffold/CHANGELOG.json
+++ b/packages/0xcert-scaffold/CHANGELOG.json
@@ -1,6 +1,12 @@
 {
   "name": "@0xcert/scaffold",
   "entries": [
+    {
+      "version": "1.2.0",
+      "tag": "@0xcert/scaffold_v1.2.0",
+      "date": "Tue, 23 Apr 2019 14:07:07 GMT",
+      "comments": {}
+    },
     {
       "version": "1.1.0",
       "tag": "@0xcert/scaffold_v1.1.0",
diff --git a/packages/0xcert-scaffold/CHANGELOG.md b/packages/0xcert-scaffold/CHANGELOG.md
index c3842440e..faa36e716 100644
--- a/packages/0xcert-scaffold/CHANGELOG.md
+++ b/packages/0xcert-scaffold/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Change Log - @0xcert/scaffold
 
-This log was last generated on Tue, 23 Apr 2019 14:00:03 GMT and should not be manually modified.
+This log was last generated on Tue, 23 Apr 2019 14:07:07 GMT and should not be manually modified.
+
+## 1.2.0
+Tue, 23 Apr 2019 14:07:07 GMT
+
+*Version update only*
 
 ## 1.1.0
 Tue, 23 Apr 2019 14:00:03 GMT
diff --git a/packages/0xcert-scaffold/package.json b/packages/0xcert-scaffold/package.json
index 3afb3b413..3ac3783ab 100644
--- a/packages/0xcert-scaffold/package.json
+++ b/packages/0xcert-scaffold/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@0xcert/scaffold",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Overarching module with types, enums, and interfaces for easier development of interoperable modules.",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
diff --git a/packages/0xcert-utils/CHANGELOG.json b/packages/0xcert-utils/CHANGELOG.json
index 93b8785a3..7eb201f99 100644
--- a/packages/0xcert-utils/CHANGELOG.json
+++ b/packages/0xcert-utils/CHANGELOG.json
@@ -1,6 +1,12 @@
 {
   "name": "@0xcert/utils",
   "entries": [
+    {
+      "version": "1.2.0",
+      "tag": "@0xcert/utils_v1.2.0",
+      "date": "Tue, 23 Apr 2019 14:07:07 GMT",
+      "comments": {}
+    },
     {
       "version": "1.1.0",
       "tag": "@0xcert/utils_v1.1.0",
diff --git a/packages/0xcert-utils/CHANGELOG.md b/packages/0xcert-utils/CHANGELOG.md
index 56173e928..0e7aa7de9 100644
--- a/packages/0xcert-utils/CHANGELOG.md
+++ b/packages/0xcert-utils/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Change Log - @0xcert/utils
 
-This log was last generated on Tue, 23 Apr 2019 14:00:03 GMT and should not be manually modified.
+This log was last generated on Tue, 23 Apr 2019 14:07:07 GMT and should not be manually modified.
+
+## 1.2.0
+Tue, 23 Apr 2019 14:07:07 GMT
+
+*Version update only*
 
 ## 1.1.0
 Tue, 23 Apr 2019 14:00:03 GMT
diff --git a/packages/0xcert-utils/package.json b/packages/0xcert-utils/package.json
index 32c114627..44a0bd441 100644
--- a/packages/0xcert-utils/package.json
+++ b/packages/0xcert-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@0xcert/utils",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "General utility module with common helper functions.",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
diff --git a/packages/0xcert-vue-example/package.json b/packages/0xcert-vue-example/package.json
index 496df19b8..efe29b9ad 100644
--- a/packages/0xcert-vue-example/package.json
+++ b/packages/0xcert-vue-example/package.json
@@ -8,13 +8,13 @@
     "test": ""
   },
   "dependencies": {
-    "@0xcert/cert": "1.1.0",
-    "@0xcert/conventions": "1.1.0",
-    "@0xcert/ethereum-asset-ledger": "1.1.0",
-    "@0xcert/ethereum-order-gateway": "1.1.0",
-    "@0xcert/ethereum-value-ledger": "1.1.0",
-    "@0xcert/ethereum-metamask-provider": "1.1.0",
-    "@0xcert/vue-plugin": "1.1.0",
+    "@0xcert/cert": "1.2.0",
+    "@0xcert/conventions": "1.2.0",
+    "@0xcert/ethereum-asset-ledger": "1.2.0",
+    "@0xcert/ethereum-order-gateway": "1.2.0",
+    "@0xcert/ethereum-value-ledger": "1.2.0",
+    "@0xcert/ethereum-metamask-provider": "1.2.0",
+    "@0xcert/vue-plugin": "1.2.0",
     "nuxt": "^2.3.1"
   }
 }
diff --git a/packages/0xcert-vue-plugin/CHANGELOG.json b/packages/0xcert-vue-plugin/CHANGELOG.json
index 5fb8bbc50..988ae713c 100644
--- a/packages/0xcert-vue-plugin/CHANGELOG.json
+++ b/packages/0xcert-vue-plugin/CHANGELOG.json
@@ -1,6 +1,12 @@
 {
   "name": "@0xcert/vue-plugin",
   "entries": [
+    {
+      "version": "1.2.0",
+      "tag": "@0xcert/vue-plugin_v1.2.0",
+      "date": "Tue, 23 Apr 2019 14:07:07 GMT",
+      "comments": {}
+    },
     {
       "version": "1.1.0",
       "tag": "@0xcert/vue-plugin_v1.1.0",
diff --git a/packages/0xcert-vue-plugin/CHANGELOG.md b/packages/0xcert-vue-plugin/CHANGELOG.md
index 51ef19a7f..c9796f6b4 100644
--- a/packages/0xcert-vue-plugin/CHANGELOG.md
+++ b/packages/0xcert-vue-plugin/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Change Log - @0xcert/vue-plugin
 
-This log was last generated on Tue, 23 Apr 2019 14:00:03 GMT and should not be manually modified.
+This log was last generated on Tue, 23 Apr 2019 14:07:07 GMT and should not be manually modified.
+
+## 1.2.0
+Tue, 23 Apr 2019 14:07:07 GMT
+
+*Version update only*
 
 ## 1.1.0
 Tue, 23 Apr 2019 14:00:03 GMT
diff --git a/packages/0xcert-vue-plugin/package.json b/packages/0xcert-vue-plugin/package.json
index f08f287cc..d4e08466e 100644
--- a/packages/0xcert-vue-plugin/package.json
+++ b/packages/0xcert-vue-plugin/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@0xcert/vue-plugin",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Implementation of VueJS plug-in.",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
@@ -72,6 +72,6 @@
     "typescript": "^3.1.1"
   },
   "dependencies": {
-    "@0xcert/scaffold": "1.1.0"
+    "@0xcert/scaffold": "1.2.0"
   }
 }
diff --git a/packages/0xcert-webpack/package.json b/packages/0xcert-webpack/package.json
index 01b0330fc..c9962603b 100644
--- a/packages/0xcert-webpack/package.json
+++ b/packages/0xcert-webpack/package.json
@@ -9,12 +9,12 @@
   },
   "license": "MIT",
   "devDependencies": {
-    "@0xcert/cert": "1.1.0",
-    "@0xcert/ethereum-asset-ledger": "1.1.0",
-    "@0xcert/ethereum-http-provider": "1.1.0",
-    "@0xcert/ethereum-metamask-provider": "1.1.0",
-    "@0xcert/ethereum-order-gateway": "1.1.0",
-    "@0xcert/ethereum-value-ledger": "1.1.0",
+    "@0xcert/cert": "1.2.0",
+    "@0xcert/ethereum-asset-ledger": "1.2.0",
+    "@0xcert/ethereum-http-provider": "1.2.0",
+    "@0xcert/ethereum-metamask-provider": "1.2.0",
+    "@0xcert/ethereum-order-gateway": "1.2.0",
+    "@0xcert/ethereum-value-ledger": "1.2.0",
     "webpack": "^4.25.0",
     "webpack-cli": "^3.1.2"
   }