diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 75cb305c..a470f579 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -797,6 +797,8 @@ PHP:
   - .php4
   - .php5
   - .phpt
+  filenames:
+  - Phakefile
 
 Parrot:
   type: programming