diff --git a/packages/go-kosu/package.json b/packages/go-kosu/package.json
index a4feb6b3..d011ab42 100644
--- a/packages/go-kosu/package.json
+++ b/packages/go-kosu/package.json
@@ -11,6 +11,6 @@
     },
     "config": {},
     "devDependencies": {
-        "@kosu/system-contracts": "^0.1.0-alpha.4"
+        "@kosu/system-contracts": "^0.1.1"
     }
 }