diff --git a/pubspec.yaml b/pubspec.yaml
index 552e7cf..1d24699 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -6,7 +6,7 @@ repository: https://github.com/jb3rndt/PersistentBottomNavBarV2
 version: 5.0.0-beta.6
 
 environment:
-  sdk: ">=2.17.0 <3.0.0"
+  sdk: ">=3.0.0 <4.0.0"
 
 dependencies:
   flutter: