diff --git a/package.json b/package.json
index ab380e491..c81d3f32f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@arbitrum/nitro-contracts",
-  "version": "1.2.1",
+  "version": "2.0.0-beta.1",
   "description": "Layer 2 precompiles and rollup for Arbitrum Nitro",
   "author": "Offchain Labs, Inc.",
   "license": "BUSL-1.1",