diff --git a/pubspec.yaml b/pubspec.yaml
index ceea421..0ea4359 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -6,7 +6,7 @@ repository: https://github.com/shubham-gupta-16/multi_image_picker_view
 issue_tracker: https://github.com/shubham-gupta-16/multi_image_picker_view/issues
 
 environment:
-  sdk: ">=2.18.6 <3.0.0"
+  sdk: ">=2.18.6 <4.0.0"
   flutter: ">=1.17.0"
 
 dependencies: