diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 453ca4c5..0d1bebe1 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.5.2"
+  ".": "1.6.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c8a49a87..f3df5b05 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Release History
 
+### 1.6.0 (2023-06-20)
+
+#### Features
+
+* adding identity pool credentials ([#433](https://github.com/googleapis/google-auth-library-ruby/issues/433)) 
+#### Documentation
+
+* deprecation message for discontinuing command line auth flow ([#435](https://github.com/googleapis/google-auth-library-ruby/issues/435)) 
+
 ### 1.5.2 (2023-04-13)
 
 #### Bug Fixes
diff --git a/lib/googleauth/version.rb b/lib/googleauth/version.rb
index 8cee41d3..a4e5c650 100644
--- a/lib/googleauth/version.rb
+++ b/lib/googleauth/version.rb
@@ -16,6 +16,6 @@ module Google
   # Module Auth provides classes that provide Google-specific authorization
   # used to access Google APIs.
   module Auth
-    VERSION = "1.5.2".freeze
+    VERSION = "1.6.0".freeze
   end
 end