diff --git a/generator/pubspec.yaml b/generator/pubspec.yaml
index 7aabf92..d728780 100644
--- a/generator/pubspec.yaml
+++ b/generator/pubspec.yaml
@@ -7,7 +7,7 @@ environment:
 
 dependencies:
   build: ^1.2.2
-  source_gen: ^0.9.5
+  source_gen: ^2.0.0
   code_builder: ^3.2.1
   dart_style: ^1.3.3
   analyzer: ^0.39.5