diff --git a/pubspec.yaml b/pubspec.yaml
index 566279c49..110b61510 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -44,7 +44,7 @@ dev_dependencies:
   dart_flutter_team_lints: ^3.5.1
   json_serializable: ^6.9.5
   shelf: ^1.4.2
-  source_gen: ^3.0.0
+  source_gen: ^4.0.1
   test_descriptor: ^2.0.2
   test_process: ^2.1.1