diff --git a/pubspec.yaml b/pubspec.yaml
index 52573cf..203e6d2 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -15,7 +15,7 @@ dependencies:
 dev_dependencies:
   dart_dev: ^4.1.0
   build_runner: ^2.1.2
-  build_test: ^2.1.3
+  build_test: '>=2.1.3 <4.0.0'
   build_web_compilers: ^3.0.0
-  dependency_validator: ^3.2.2
+  dependency_validator: '>=3.2.2 <6.0.0'
   pedantic: ^1.8.0