diff --git a/pubspec.yaml b/pubspec.yaml
index d094dc3..8dd8d49 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -10,8 +10,8 @@ environment:
 dependencies:
   redstone:
     git: https://github.com/redstone-dart/redstone.git
-  analyzer: "^0.27.0"
-  code_transformers: ">= 0.3.1 <= 0.4.0"
+  analyzer: ">=0.27.0 <0.28.0"
+  code_transformers: ">=0.3.1 <0.5.0"
   di: "^3.3.6"
 dev_dependencies:
   test: "^0.12.6"