diff --git a/CHANGELOG.md b/CHANGELOG.md
index a21f55e3..e538486f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,18 @@
 
 [1]: https://www.npmjs.com/package/@google-cloud/nodejs-vision?activeTab=versions
 
+## [2.4.0](https://www.github.com/googleapis/nodejs-vision/compare/v2.3.8...v2.4.0) (2021-09-09)
+
+
+### Features
+
+* turns on self-signed JWT feature flag ([#942](https://www.github.com/googleapis/nodejs-vision/issues/942)) ([c0558c7](https://www.github.com/googleapis/nodejs-vision/commit/c0558c7ec2097c713cf591ae985eb5c8f7f7435a))
+
+
+### Bug Fixes
+
+* **build:** migrate to using main branch ([#947](https://www.github.com/googleapis/nodejs-vision/issues/947)) ([f1ce40f](https://www.github.com/googleapis/nodejs-vision/commit/f1ce40fcf255a052442d2fdd46516182a58b0aed))
+
 ### [2.3.8](https://www.github.com/googleapis/nodejs-vision/compare/v2.3.7...v2.3.8) (2021-08-17)
 
 
diff --git a/package.json b/package.json
index 156961d3..c575f3f5 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/vision",
   "description": "Google Cloud Vision API client for Node.js",
-  "version": "2.3.8",
+  "version": "2.4.0",
   "license": "Apache-2.0",
   "author": "Google Inc",
   "engines": {
diff --git a/samples/package.json b/samples/package.json
index 5a53b188..a15b346d 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -13,7 +13,7 @@
     "test": "mocha system-test --timeout 600000"
   },
   "dependencies": {
-    "@google-cloud/vision": "^2.3.8",
+    "@google-cloud/vision": "^2.4.0",
     "natural": "^5.0.0",
     "pureimage": "^0.3.0",
     "redis": "^3.0.0",