diff --git a/CHANGELOG.md b/CHANGELOG.md
index bf4be219..170266f8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [5.1.0](https://github.com/googleapis/gaxios/compare/v5.0.2...v5.1.0) (2023-03-06)
+
+
+### Features
+
+* Add support for custom backoff ([#498](https://github.com/googleapis/gaxios/issues/498)) ([4a34467](https://github.com/googleapis/gaxios/commit/4a344678110864d97818a8272ebcc5e1c4921b52))
+
 ## [5.0.2](https://github.com/googleapis/gaxios/compare/v5.0.1...v5.0.2) (2022-09-09)
 
 
diff --git a/package.json b/package.json
index 21c9b278..f8b3d853 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gaxios",
-  "version": "5.0.2",
+  "version": "5.1.0",
   "description": "A simple common HTTP client specifically for Google APIs and services.",
   "main": "build/src/index.js",
   "types": "build/src/index.d.ts",
diff --git a/samples/package.json b/samples/package.json
index 947ea912..0977a257 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -9,7 +9,7 @@
   },
   "license": "Apache-2.0",
   "dependencies": {
-    "gaxios": "^5.0.2"
+    "gaxios": "^5.1.0"
   },
   "devDependencies": {
     "mocha": "^8.0.0"