diff --git a/framework/core/.gitignore b/framework/core/.gitignore
index 4cd4e45dd..dea5121b7 100644
--- a/framework/core/.gitignore
+++ b/framework/core/.gitignore
@@ -1,4 +1,5 @@
 /vendor
+composer.lock
 composer.phar
 .DS_Store
 Thumbs.db