diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 525a53db..49457fc1 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -1422,6 +1422,7 @@ YAML:
   - yml
   primary_extension: .yml
   extensions:
+  - .reek
   - .yaml
 
 eC: