diff --git a/test/tools/fixtures/format/has_dart_style/pubspec.yaml b/test/tools/fixtures/format/has_dart_style/pubspec.yaml
index 9ee2462d..4d760341 100644
--- a/test/tools/fixtures/format/has_dart_style/pubspec.yaml
+++ b/test/tools/fixtures/format/has_dart_style/pubspec.yaml
@@ -2,7 +2,7 @@ name: has_dart_style
 environment:
  sdk: ">=2.12.0 <3.0.0"
 dev_dependencies:
-  dart_style: ^2.0.0
+  dart_style: '>=2.0.0 <4.0.0'
 
 workiva:
   disable_core_checks: true