diff --git a/config/cookstyle.yml b/config/cookstyle.yml
index 56d810920..f3615c5ec 100644
--- a/config/cookstyle.yml
+++ b/config/cookstyle.yml
@@ -96,6 +96,8 @@ Chef/NodeSetUnless:
 Chef/LegacyBerksfileSource:
   Description: Do not use legacy Berksfile community sources. Use Chef Supermarket instead.
   Enabled: true
+  Include:
+    - '**/Berksfile'
 
 Chef/WhyRunSupportedTrue:
   Description: why_run_supported? no longer needs to be set to true as it is the default in Chef 13+