diff --git a/lib/src/common/github.dart b/lib/src/common/github.dart
index ffddef00..c08140bf 100644
--- a/lib/src/common/github.dart
+++ b/lib/src/common/github.dart
@@ -33,7 +33,7 @@ class GitHub {
   static const versionHeader = 'X-GitHub-Api-Version';
 
   /// Authentication Information
-  final Authentication auth;
+  Authentication auth;
 
   /// API Endpoint
   final String endpoint;