diff --git a/pubspec.yaml b/pubspec.yaml
index cdc2e91..f7c3fac 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,19 +1,19 @@
 name: google_maps_webservice
 description: Google Maps Web Services [API](https://developers.google.com/maps/web-services)
-version: 0.0.20-nullsafety.5
+version: 0.0.30
 homepage: https://github.com/lejard-h/google_maps_webservice
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: ">=3.0.0 <4.0.0"
 
 dependencies:
-  http: ^0.13.0
+  http: ^1.0.0
   meta: ^1.3.0
   json_annotation: ^4.0.0
 
 dev_dependencies:
   test: ^1.16.0
   pedantic: ^1.10.0
-  build_runner: ^1.11.0
-  json_serializable: ^4.0.0
+  build_runner: ^2.4.4
+  json_serializable: ^6.7.0
   coverage: ^1.0.0