diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 17b7c739..1a8b5d4b 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -220,6 +220,7 @@ Delphi:
   type: programming
   extensions:
   - .pas
+  - .dpr
 
 Diff:
   extensions: