diff --git a/CHANGELOG.md b/CHANGELOG.md
index 255128bc..8219ac92 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://www.npmjs.com/package/@google-cloud/security-center?activeTab=versions
 
+### [5.1.2](https://www.github.com/googleapis/nodejs-security-center/compare/v5.1.1...v5.1.2) (2020-11-07)
+
+
+### Bug Fixes
+
+* do not modify options object, use defaultScopes ([#337](https://www.github.com/googleapis/nodejs-security-center/issues/337)) ([2792fc8](https://www.github.com/googleapis/nodejs-security-center/commit/2792fc829c6db2fbbd951df4739b8d1524243012))
+
 ### [5.1.1](https://www.github.com/googleapis/nodejs-security-center/compare/v5.1.0...v5.1.1) (2020-08-17)
 
 
diff --git a/package.json b/package.json
index 9894d016..ce6b004e 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/security-center",
   "description": "Cloud Security Command Center API client for Node.js",
-  "version": "5.1.1",
+  "version": "5.1.2",
   "license": "Apache-2.0",
   "author": "Google LLC",
   "engines": {
diff --git a/samples/package.json b/samples/package.json
index 0ddb99b9..fb83d35c 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -14,7 +14,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@google-cloud/pubsub": "^2.0.0",
-    "@google-cloud/security-center": "^5.1.1"
+    "@google-cloud/security-center": "^5.1.2"
   },
   "devDependencies": {
     "chai": "^4.2.0",