diff --git a/packages/google-api-servicemanagement/CHANGELOG.md b/packages/google-api-servicemanagement/CHANGELOG.md
index 557c0a32ee4..4e069e27ed2 100644
--- a/packages/google-api-servicemanagement/CHANGELOG.md
+++ b/packages/google-api-servicemanagement/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### [0.3.1](https://www.github.com/googleapis/nodejs-service-management/compare/v0.3.0...v0.3.1) (2021-09-10)
+
+
+### Bug Fixes
+
+* **build:** set default branch to main ([#85](https://www.github.com/googleapis/nodejs-service-management/issues/85)) ([b343eac](https://www.github.com/googleapis/nodejs-service-management/commit/b343eaca04b4f651c737d8a84baa5a75a361c4b0))
+
 ## [0.3.0](https://www.github.com/googleapis/nodejs-service-management/compare/v0.2.6...v0.3.0) (2021-08-23)
 
 
diff --git a/packages/google-api-servicemanagement/package.json b/packages/google-api-servicemanagement/package.json
index 191a2017026..c49110ee4c6 100644
--- a/packages/google-api-servicemanagement/package.json
+++ b/packages/google-api-servicemanagement/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@google-cloud/service-management",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "description": "Service management client for Node.js",
   "repository": "googleapis/nodejs-service-management",
   "license": "Apache-2.0",
diff --git a/packages/google-api-servicemanagement/samples/package.json b/packages/google-api-servicemanagement/samples/package.json
index 818760f9772..247dcf4e555 100644
--- a/packages/google-api-servicemanagement/samples/package.json
+++ b/packages/google-api-servicemanagement/samples/package.json
@@ -13,7 +13,7 @@
     "test": "c8 mocha --timeout 600000 test/*.js"
   },
   "dependencies": {
-    "@google-cloud/service-management": "^0.3.0"
+    "@google-cloud/service-management": "^0.3.1"
   },
   "devDependencies": {
     "c8": "^7.1.0",