diff --git a/packages/google-cloud-texttospeech/CHANGELOG.md b/packages/google-cloud-texttospeech/CHANGELOG.md
index b53f2716f0c..b6903450c91 100644
--- a/packages/google-cloud-texttospeech/CHANGELOG.md
+++ b/packages/google-cloud-texttospeech/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://www.npmjs.com/package/@google-cloud/text-to-speech?activeTab=versions
 
+## [3.1.0](https://www.github.com/googleapis/nodejs-text-to-speech/compare/v3.0.1...v3.1.0) (2020-07-30)
+
+
+### Features
+
+* support MULAW and MP3_64_KBPS audio encoding and support timepointing via SSML <mark> tag ([8826c87](https://www.github.com/googleapis/nodejs-text-to-speech/commit/8826c8714498d4d87546b2d61ea9ebbcff443971))
+
 ### [3.0.1](https://www.github.com/googleapis/nodejs-text-to-speech/compare/v3.0.0...v3.0.1) (2020-06-29)
 
 
diff --git a/packages/google-cloud-texttospeech/package.json b/packages/google-cloud-texttospeech/package.json
index 52f05d2704c..95e1bdccb96 100644
--- a/packages/google-cloud-texttospeech/package.json
+++ b/packages/google-cloud-texttospeech/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/text-to-speech",
   "description": "Cloud Text-to-Speech API client for Node.js",
-  "version": "3.0.1",
+  "version": "3.1.0",
   "license": "Apache-2.0",
   "author": "Google LLC",
   "engines": {
diff --git a/packages/google-cloud-texttospeech/samples/package.json b/packages/google-cloud-texttospeech/samples/package.json
index 4755f5e696a..86913f6bf63 100644
--- a/packages/google-cloud-texttospeech/samples/package.json
+++ b/packages/google-cloud-texttospeech/samples/package.json
@@ -14,7 +14,7 @@
     "test": "mocha --timeout=60000"
   },
   "dependencies": {
-    "@google-cloud/text-to-speech": "^3.0.1",
+    "@google-cloud/text-to-speech": "^3.1.0",
     "yargs": "^15.0.0"
   },
   "devDependencies": {