diff --git a/packages/sync/package.json b/packages/sync/package.json
index f9b7a74c..6322a281 100644
--- a/packages/sync/package.json
+++ b/packages/sync/package.json
@@ -63,6 +63,6 @@
     "graphql-tools": "4.0.4",
     "idb-localstorage": "0.2.0",
     "subscriptions-transport-ws": "0.9.16",
-    "util": "^0.12.0"
+    "util": "0.12.0"
   }
 }