diff --git a/CHANGELOG.md b/CHANGELOG.md
index 420cf7305..cb9109306 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,15 @@
 
 [1]: https://www.npmjs.com/package/@google-cloud/firestore?activeTab=versions
 
+## [6.4.3](https://github.com/googleapis/nodejs-firestore/compare/v6.4.2...v6.4.3) (2023-02-16)
+
+
+### Bug Fixes
+
+* **deps:** Use google-gax v3.5.3 ([#1818](https://github.com/googleapis/nodejs-firestore/issues/1818)) ([88981ad](https://github.com/googleapis/nodejs-firestore/commit/88981ad8749b0aa38dfe9bcdd4ca5e60d76c8776))
+* Emulator support for system tests. Run system tests against the emulator using: `yarn system-test:grpc:emulator` or `yarn system-test:rest:emulator` ([8aedc63](https://github.com/googleapis/nodejs-firestore/commit/8aedc63138827ea03a8dacae4e7bccdf048a2be7))
+* Update the depth validation used when writing documents, so that it matches the validation of the Firestore backend. ([789d9eb](https://github.com/googleapis/nodejs-firestore/commit/789d9eb7f54b5329b17ef759f29252d17da47e26))
+
 ## [6.4.2](https://github.com/googleapis/nodejs-firestore/compare/v6.4.1...v6.4.2) (2023-01-09)
 
 
diff --git a/package.json b/package.json
index 1b1c9cc17..7c58416ca 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/firestore",
   "description": "Firestore Client Library for Node.js",
-  "version": "6.4.2",
+  "version": "6.4.3",
   "license": "Apache-2.0",
   "author": "Google Inc.",
   "engines": {
diff --git a/samples/package.json b/samples/package.json
index 53a39fe7b..2ca786a4d 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -11,7 +11,7 @@
     "test": "mocha --timeout 600000"
   },
   "dependencies": {
-    "@google-cloud/firestore": "^6.4.2"
+    "@google-cloud/firestore": "^6.4.3"
   },
   "devDependencies": {
     "chai": "^4.2.0",