diff --git a/extension.json b/extension.json
index 4e220d4e84..fed2eec8aa 100644
--- a/extension.json
+++ b/extension.json
@@ -794,6 +794,7 @@
 				"modules/ve-mw/ui/styles/dialogs/ve.ui.MWSaveDialog.css"
 			],
 			"dependencies": [
+				"mediawiki.diff",
 				"mediawiki.diff.styles",
 				"mediawiki.String",
 				"jquery.lengthLimit",