diff --git a/pubspec.yaml b/pubspec.yaml
index dd0c25d..0742fff 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -9,7 +9,7 @@
   sdk: '>=1.8.0 <2.0.0'
 
 dependencies:
-  reflectable: '^0.5.0'
+  reflectable: '^0.4.0'
 
 dev_dependencies:
   unittest: ">=0.9.0 <0.12.0"