diff --git a/package.json b/package.json
index 0b772c4477f32..b3e79b2239c34 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "4.0.3",
+  "version": "4.0.4",
   "repository": "bvaughn/react-devtools-experimental",
   "license": "MIT",
   "private": true,
@@ -135,7 +135,7 @@
     "memoize-one": "^3.1.1",
     "node-libs-browser": "0.5.3",
     "nullthrows": "^1.0.0",
-    "object-assign": "4.0.3",
+    "object-assign": "4.0.4",
     "opener": "^1.5.1",
     "prettier": "^1.16.4",
     "prop-types": "^15.6.2",
diff --git a/packages/react-devtools-core/package.json b/packages/react-devtools-core/package.json
index 0f2d4f30c56df..ff1414961dd09 100644
--- a/packages/react-devtools-core/package.json
+++ b/packages/react-devtools-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-devtools-core",
-  "version": "4.0.3",
+  "version": "4.0.4",
   "description": "Use react-devtools outside of the browser",
   "license": "MIT",
   "main": "./dist/backend.js",
diff --git a/packages/react-devtools-inline/package.json b/packages/react-devtools-inline/package.json
index 980815bc2c53c..0b46506de06d8 100644
--- a/packages/react-devtools-inline/package.json
+++ b/packages/react-devtools-inline/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-devtools-inline",
-  "version": "4.0.3",
+  "version": "4.0.4",
   "description": "Embed react-devtools within a website",
   "license": "MIT",
   "main": "./dist/backend.js",
diff --git a/packages/react-devtools/package.json b/packages/react-devtools/package.json
index e83f471e3c0d7..5640a88e95b72 100644
--- a/packages/react-devtools/package.json
+++ b/packages/react-devtools/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-devtools",
-  "version": "4.0.3",
+  "version": "4.0.4",
   "description": "Use react-devtools outside of the browser",
   "license": "MIT",
   "repository": {
@@ -26,7 +26,7 @@
     "electron": "^5.0.0",
     "ip": "^1.1.4",
     "minimist": "^1.2.0",
-    "react-devtools-core": "4.0.3",
+    "react-devtools-core": "4.0.4",
     "update-notifier": "^2.1.0"
   }
 }
diff --git a/shells/browser/chrome/manifest.json b/shells/browser/chrome/manifest.json
index 96dc353120c59..07b36f8abe077 100644
--- a/shells/browser/chrome/manifest.json
+++ b/shells/browser/chrome/manifest.json
@@ -2,8 +2,8 @@
   "manifest_version": 2,
   "name": "React Developer Tools",
   "description": "Adds React debugging tools to the Chrome Developer Tools.",
-  "version": "4.0.3",
-  "version_name": "4.0.3",
+  "version": "4.0.4",
+  "version_name": "4.0.4",
 
   "minimum_chrome_version": "49",
 
diff --git a/shells/browser/firefox/manifest.json b/shells/browser/firefox/manifest.json
index 8b20de7104457..f4ba9f77d1460 100644
--- a/shells/browser/firefox/manifest.json
+++ b/shells/browser/firefox/manifest.json
@@ -2,7 +2,7 @@
   "manifest_version": 2,
   "name": "React Developer Tools",
   "description": "Adds React debugging tools to the Firefox Developer Tools.",
-  "version": "4.0.3",
+  "version": "4.0.4",
 
   "applications": {
     "gecko": {