diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index fad21203..958bdac3 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -1420,6 +1420,7 @@ YAML:
   primary_extension: .yml
   extensions:
   - .yaml
+  - .reek
 
 eC:
   type: programming