diff --git a/pubspec.yaml b/pubspec.yaml
index ddd9ae1..a9d1da9 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -8,7 +8,7 @@ environment:
   flutter: ">=1.12.0 <2.0.0"
 
 dependencies:
-  json_annotation: ^3.0.0
+  json_annotation: ^4.0.0
   flutter:
     sdk: flutter