diff --git a/.gitattributes b/.gitattributes
index caff2fc5c1f7a3a21863172d93137691037c88bd..e70ab0a2c70a7f6c932792b7245219e4b7a89eb2 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -8,3 +8,5 @@
 *.png binary
 *.zip binary
 *.mp3 binary
+
+Dockerfile.dev linguist-language=Dockerfile