diff --git a/package.json b/package.json
index 106851013..6c5c3e4af 100644
--- a/package.json
+++ b/package.json
@@ -99,7 +99,7 @@
     "iframe-stream": "^3.0.0",
     "inject-css": "^0.1.1",
     "jazzicon": "^1.2.0",
-    "json-rpc-engine": "^3.2.0",
+    "json-rpc-engine": "3.2.0",
     "json-rpc-middleware-stream": "^1.0.1",
     "loglevel": "^1.4.1",
     "metamascara": "^1.3.1",