diff --git a/ghost/admin/package.json b/ghost/admin/package.json
index 7dbce10995..939e251dac 100644
--- a/ghost/admin/package.json
+++ b/ghost/admin/package.json
@@ -31,7 +31,7 @@
     "broccoli-asset-rev": "2.5.0",
     "broccoli-clean-css": "1.1.0",
     "broccoli-concat": "3.0.5",
-    "broccoli-merge-trees": "1.1.5",
+    "broccoli-merge-trees": "1.2.1",
     "broccoli-uglify-js": "0.2.0",
     "chalk": "1.1.3",
     "codemirror": "5.21.0",