diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5c06255e..543e1f8a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-# [1.0.4 - 4 Aug 2023](https://github.com/SimformSolutionsPvtLtd/flutter_calendar_view/tree/1.0.4)
+# [1.0.4 - 9 Aug 2023](https://github.com/SimformSolutionsPvtLtd/flutter_calendar_view/tree/1.0.4)
 
 - Fixed
   Issue [#219 - There is an issue with the daily view layout display](https://github.com/SimformSolutionsPvtLtd/flutter_calendar_view/issues/219)
diff --git a/pubspec.yaml b/pubspec.yaml
index 3564bced..87539ae1 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -5,7 +5,7 @@ homepage: https://github.com/SimformSolutionsPvtLtd/flutter_calendar_view
 issue_tracker: https://github.com/SimformSolutionsPvtLtd/flutter_calendar_view/issues?q=is%3Aissue+is%3Aopen+label%3Abug
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: ">=2.12.0 <4.0.0"
   flutter: ">=1.17.0"
 
 dependencies: