diff --git a/.gitattributes b/.gitattributes
index 6a6cc7f..87161a5 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,3 +1,4 @@
 /webcomponents*.js binary
 /webcomponents*.js.map binary
-/webcomponents-loader.js text
\ No newline at end of file
+/webcomponents-loader.js text
+/webcomponents-es5-loader.js text
\ No newline at end of file