diff --git a/CHANGELOG.md b/CHANGELOG.md
index 68bbc58..7ac68b6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### [1.5.1](https://github.com/googleapis/python-functions/compare/v1.5.0...v1.5.1) (2022-02-26)
+
+
+### Bug Fixes
+
+* resolve DuplicateCredentialArgs error when using credentials_file ([80fe038](https://github.com/googleapis/python-functions/commit/80fe038f05f695177cb2366bb92063b485c2bc38))
+
 ## [1.5.0](https://github.com/googleapis/python-functions/compare/v1.4.0...v1.5.0) (2022-01-25)
 
 
diff --git a/setup.py b/setup.py
index 3986c68..7a5d0e7 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
 import os
 import setuptools  # type: ignore
 
-version = "1.5.0"
+version = "1.5.1"
 
 package_root = os.path.abspath(os.path.dirname(__file__))