diff --git a/pubspec.yaml b/pubspec.yaml
index 08cf2ff..e6865fd 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -9,9 +9,9 @@ environment:
 dev_dependencies:
   benchmark_harness: any
   build_runner: ^2.3.3
-  build_test: ^2.1.6
+  build_test: '>=2.1.6 <4.0.0'
   build_web_compilers: '>=3.2.7 <5.0.0'
-  dart_style: ^2.2.4
-  dependency_validator: ^3.0.0
+  dart_style: '>=2.2.4 <4.0.0'
+  dependency_validator: '>=3.0.0 <6.0.0'
   test: ^1.15.7
   workiva_analysis_options: ^1.4.0