diff --git a/lib/googleauth/credentials_loader.rb b/lib/googleauth/credentials_loader.rb
index 260a3d9..fa91450 100644
--- a/lib/googleauth/credentials_loader.rb
+++ b/lib/googleauth/credentials_loader.rb
@@ -134,6 +134,7 @@ module Google
       def warn_if_cloud_sdk_credentials(client_id)
         warn CLOUD_SDK_CREDENTIALS_WARNING if client_id == CLOUD_SDK_CLIENT_ID
       end
+      module_function :warn_if_cloud_sdk_credentials
 
       private
 
diff --git a/lib/googleauth/version.rb b/lib/googleauth/version.rb
index 76132d6..e067fa4 100644
--- a/lib/googleauth/version.rb
+++ b/lib/googleauth/version.rb
@@ -31,6 +31,6 @@ module Google
   # Module Auth provides classes that provide Google-specific authorization
   # used to access Google APIs.
   module Auth
-    VERSION = '0.6.1'.freeze
+    VERSION = '0.6.2'.freeze
   end
 end