diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1d6f80804..996e3290f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+38.1.0
+-----
+- Added more detailed metadata headers.
+
 38.0.0
 -----
 - Compatibility with v23.1, v22.1, v21.1, v20.2 of the API: https://developers.google.com/google-ads/api/docs/release-notes
diff --git a/lib/google/ads/google_ads/version.rb b/lib/google/ads/google_ads/version.rb
index be091f85c..909a31235 100644
--- a/lib/google/ads/google_ads/version.rb
+++ b/lib/google/ads/google_ads/version.rb
@@ -20,7 +20,7 @@ module Google
   module Ads
     module GoogleAds
       CLIENT_LIB_NAME = 'gccl'.freeze
-      CLIENT_LIB_VERSION = '38.0.0'.freeze
+      CLIENT_LIB_VERSION = '38.1.0'.freeze
       VERSION = CLIENT_LIB_VERSION
     end
   end