diff --git a/CHANGELOG.md b/CHANGELOG.md
index 14c6f7279..1550d7bad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://www.npmjs.com/package/@google-cloud/pubsub?activeTab=versions
 
+## [4.3.2](https://github.com/googleapis/nodejs-pubsub/compare/v4.3.1...v4.3.2) (2024-02-13)
+
+
+### Bug Fixes
+
+* Update minimum google-gax versions for auth fixes ([#1888](https://github.com/googleapis/nodejs-pubsub/issues/1888)) ([08acade](https://github.com/googleapis/nodejs-pubsub/commit/08acadee042c6a3b85344575d5d0be09ae6e4202))
+
 ## [4.3.1](https://github.com/googleapis/nodejs-pubsub/compare/v4.3.0...v4.3.1) (2024-02-08)
 
 
diff --git a/package.json b/package.json
index f96bcaebc..e03c7b43c 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/pubsub",
   "description": "Cloud Pub/Sub Client Library for Node.js",
-  "version": "4.3.1",
+  "version": "4.3.2",
   "license": "Apache-2.0",
   "author": "Google Inc.",
   "engines": {
@@ -57,8 +57,8 @@
     "@types/long": "^4.0.0",
     "arrify": "^2.0.0",
     "extend": "^3.0.2",
-    "google-auth-library": "^9.0.0",
-    "google-gax": "^4.3.0",
+    "google-auth-library": "^9.3.0",
+    "google-gax": "^4.3.1",
     "heap-js": "^2.2.0",
     "is-stream-ended": "^0.1.4",
     "lodash.snakecase": "^4.1.1",
diff --git a/samples/package.json b/samples/package.json
index aafdc585a..9a852adf9 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -21,7 +21,7 @@
     "precompile": "npm run clean"
   },
   "dependencies": {
-    "@google-cloud/pubsub": "^4.3.1",
+    "@google-cloud/pubsub": "^4.3.2",
     "@opentelemetry/api": "^1.6.0",
     "@opentelemetry/tracing": "^0.24.0",
     "avro-js": "^1.11.3",