diff --git a/.gitattributes b/.gitattributes
index caff2fc5c1f..e70ab0a2c70 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -8,3 +8,5 @@
 *.png binary
 *.zip binary
 *.mp3 binary
+
+Dockerfile.dev linguist-language=Dockerfile