diff --git a/bower.json b/bower.json
index 5734be6ec..fa8d85428 100644
--- a/bower.json
+++ b/bower.json
@@ -34,7 +34,7 @@
     "chainpad-crypto": "^0.1.3",
     "chainpad-listmap": "^0.3.0",
     "file-saver": "^1.3.1",
-    "diff-dom": "^2.1.1",
+    "diff-dom": "2.1.1",
     "alertifyjs": "^1.0.11",
     "scrypt-async": "^1.2.0",
     "bootstrap": "#v4.0.0-alpha.6"