diff --git a/packages/contracts/package.json b/packages/contracts/package.json
index 92a9da53e9..d1c0e3eb60 100644
--- a/packages/contracts/package.json
+++ b/packages/contracts/package.json
@@ -1,4 +1,5 @@
 {
+  "private": true,
   "name": "contracts",
   "version": "1.0.0",
   "description": "Smart contract components of 0x protocol",