diff --git a/dapps/react-dapp-v2-with-solana-web3js/package.json b/dapps/react-dapp-v2-with-solana-web3js/package.json
index 51962ee..d30e7a2 100644
--- a/dapps/react-dapp-v2-with-solana-web3js/package.json
+++ b/dapps/react-dapp-v2-with-solana-web3js/package.json
@@ -46,6 +46,7 @@
     "react-dom": "^17.0.2",
     "react-scripts": "^4.0.3",
     "styled-components": "^5.2.0",
+    "tweetnacl": "^1.0.3",
     "typescript": "^4.3.2",
     "web-vitals": "^0.2.4"
   },