diff --git a/pubspec.yaml b/pubspec.yaml
index 0a30a10b..616aa494 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -11,7 +11,7 @@ dev_dependencies:
   args: ^2.0.0
   build_runner: ^2.1.2
   build_test: ^2.1.3
-  build_web_compilers: ">=3.0.0 <5.0.0"
+  build_web_compilers: '>=3.0.0 <5.0.0'
   dart_dev: ^4.0.0
   dependency_validator: ^3.2.2
   glob: ^2.0.0