diff --git a/packages/order-watcher/package.json b/packages/order-watcher/package.json
index 3335713a34..3854e73552 100644
--- a/packages/order-watcher/package.json
+++ b/packages/order-watcher/package.json
@@ -79,7 +79,7 @@
     "dependencies": {
         "@0xproject/assert": "^0.2.12",
         "@0xproject/base-contract": "^0.3.4",
-        "@0xproject/contract-wrappers": "^0.0.5",
+        "@0xproject/contract-wrappers": "0.0.5",
         "@0xproject/fill-scenarios": "^0.0.4",
         "@0xproject/json-schemas": "0.8.1",
         "@0xproject/order-utils": "^0.0.7",