diff --git a/example/pubspec.yaml b/example/pubspec.yaml
index 8933069..515871d 100644
--- a/example/pubspec.yaml
+++ b/example/pubspec.yaml
@@ -4,7 +4,7 @@ version: 1.0.0+1
 publish_to: none
 
 environment:
-  sdk: '>=2.17.0 <3.0.0'
+  sdk: '3.9.4'
   flutter: '>=3.0.0'
 
 dependencies:
diff --git a/pubspec.yaml b/pubspec.yaml
index c0f4890..eaa4992 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -6,7 +6,7 @@ repository: https://github.com/hoc081098/stream_loader.git
 issue_tracker: https://github.com/hoc081098/stream_loader/issues
 
 environment:
-  sdk: '>=2.17.0 <3.0.0'
+  sdk: '3.9.4'
   flutter: '>=3.0.0'
 
 dependencies: