diff --git a/pubspec.yaml b/pubspec.yaml
index b74eb0d..57c789b 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -2,7 +2,7 @@ name: refilc_plus
 publish_to: "none"
 
 environment:
-  sdk: ">=2.17.0 <3.0.0"
+  sdk: ">=2.17.0 <=3.3.2"
 
 dependencies:
   flutter: