diff --git a/clients/client-dart/pubspec.yaml b/clients/client-dart/pubspec.yaml
index b779dea..59d5daf 100644
--- a/clients/client-dart/pubspec.yaml
+++ b/clients/client-dart/pubspec.yaml
@@ -5,7 +5,7 @@ homepage: https://github.com/bancolombia/async-dataflow
 repository: https://github.com/bancolombia/async-dataflow.git
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: '>=3.0.0 <4.0.0'
 
 dependencies:
   web_socket_channel: ^2.3.0