diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0af608eb4..9e7c27242 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,18 @@
 
 [1]: https://www.npmjs.com/package/@google-cloud/firestore?activeTab=versions
 
+## [4.15.0](https://www.github.com/googleapis/nodejs-firestore/compare/v4.14.2...v4.15.0) (2021-08-26)
+
+
+### Features
+
+* turns on self-signed JWT feature flag ([#1593](https://www.github.com/googleapis/nodejs-firestore/issues/1593)) ([feee8cc](https://www.github.com/googleapis/nodejs-firestore/commit/feee8cc1b32ab04613f654806ca31477328059ff))
+
+
+### Bug Fixes
+
+* Handles identical document ids from different collections. ([#1599](https://www.github.com/googleapis/nodejs-firestore/issues/1599)) ([745b608](https://www.github.com/googleapis/nodejs-firestore/commit/745b608a7883a27ccb1c4d1f7800fdcc9a7917b1))
+
 ### [4.14.2](https://www.github.com/googleapis/nodejs-firestore/compare/v4.14.1...v4.14.2) (2021-08-17)
 
 
diff --git a/package.json b/package.json
index 18ec0623a..48dd1ae39 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/firestore",
   "description": "Firestore Client Library for Node.js",
-  "version": "4.14.2",
+  "version": "4.15.0",
   "license": "Apache-2.0",
   "author": "Google Inc.",
   "engines": {
diff --git a/samples/package.json b/samples/package.json
index 90a3688ad..3d6a4c07b 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -11,7 +11,7 @@
     "test": "mocha --timeout 600000"
   },
   "dependencies": {
-    "@google-cloud/firestore": "^4.14.2"
+    "@google-cloud/firestore": "^4.15.0"
   },
   "devDependencies": {
     "chai": "^4.2.0",