diff --git a/ghost/admin/package.json b/ghost/admin/package.json
index 94d25f078e..0d1241c30d 100644
--- a/ghost/admin/package.json
+++ b/ghost/admin/package.json
@@ -34,7 +34,7 @@
     "broccoli-merge-trees": "1.1.5",
     "broccoli-uglify-js": "0.2.0",
     "chalk": "1.1.3",
-    "codemirror": "5.20.2",
+    "codemirror": "5.21.0",
     "csscomb": "3.1.8",
     "ember-ajax": "2.5.2",
     "ember-cli": "2.9.1",