diff --git a/samples/solidity/package-lock.json b/samples/solidity/package-lock.json
index 0473b5f..6820d99 100644
--- a/samples/solidity/package-lock.json
+++ b/samples/solidity/package-lock.json
@@ -1018,8 +1018,8 @@
       }
     },
     "@openzeppelin/contracts": {
-      "version": "4.5.0",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.5.0.tgz",
+      "version": "4.7.1",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.7.1.tgz",
       "integrity": "sha512-fdkzKPYMjrRiPK6K4y64e6GzULR7R7RwxSigHS8DDp7aWDeoReqsQI+cxHV1UuhAqX69L1lAaWDxenfP+xiqzA=="
     },
     "@resolver-engine/core": {