diff --git a/CHANGELOG.md b/CHANGELOG.md
index a5333143..3f6a130d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://www.npmjs.com/package/@google-cloud/text-to-speech?activeTab=versions
 
+### [3.3.1](https://www.github.com/googleapis/nodejs-text-to-speech/compare/v3.3.0...v3.3.1) (2021-09-10)
+
+
+### Bug Fixes
+
+* **build:** set default branch to main ([#548](https://www.github.com/googleapis/nodejs-text-to-speech/issues/548)) ([6891351](https://www.github.com/googleapis/nodejs-text-to-speech/commit/6891351d06b48e6337567c4fb9e6f885204920e3))
+
 ## [3.3.0](https://www.github.com/googleapis/nodejs-text-to-speech/compare/v3.2.7...v3.3.0) (2021-08-23)
 
 
diff --git a/package.json b/package.json
index 7a0bc6e6..e152f444 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/text-to-speech",
   "description": "Cloud Text-to-Speech API client for Node.js",
-  "version": "3.3.0",
+  "version": "3.3.1",
   "license": "Apache-2.0",
   "author": "Google LLC",
   "engines": {
diff --git a/samples/package.json b/samples/package.json
index 168f0d7e..28bcdb5a 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -14,7 +14,7 @@
     "test": "mocha --timeout=60000"
   },
   "dependencies": {
-    "@google-cloud/text-to-speech": "^3.3.0",
+    "@google-cloud/text-to-speech": "^3.3.1",
     "yargs": "^16.0.0"
   },
   "devDependencies": {