diff --git a/pubspec.yaml b/pubspec.yaml
index 52473db..05fb413 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -2,13 +2,12 @@ name: flow_builder
 description: Flutter Flows made easy! A Flutter package which simplifies flows with a flexible, declarative API.
 repository: https://github.com/felangel/flow_builder
 homepage: https://github.com/felangel/flow_builder
-topics: [ navigation, routing ]
+topics: [navigation, routing]
 
 version: 0.0.10
 
 environment:
-  sdk: ^3.2.0
-  flutter: ^3.16.0
+  sdk: ">=3.2.0 <4.0.0"
 
 dependencies:
   flutter: