diff --git a/package-lock.json b/package-lock.json
index 9e2ed91..24ac125 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "vasp-contracts",
-  "version": "2.0.0",
+  "version": "2.0.0-rc.9",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -598,9 +598,9 @@
       }
     },
     "@openzeppelin/contracts": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-3.0.2.tgz",
-      "integrity": "sha512-eK9F3jEbjQeRYLiqrHUrXCZBxE+7L4Ve5scYInsLezuasoFkrrEFlnDWD8gbN+6e5NgdgJP9fTWxjxWmaHh7dA=="
+      "version": "4.7.2",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.7.2.tgz",
+      "integrity": "sha512-4n/JL9izql8303mPqPdubuna/DWEMbmOzWYUWyCPhjhiEr2w3nQrjE7vZz1fBF+wzzP6dZbIcsgqACk53c9FGA=="
     },
     "@openzeppelin/fuzzy-solidity-import-parser": {
       "version": "0.1.2",
diff --git a/package.json b/package.json
index e053203..ece225b 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
   "devDependencies": {},
   "dependencies": {
     "@openzeppelin/cli": "2.8.2",
-    "@openzeppelin/contracts": "3.0.2",
+    "@openzeppelin/contracts": "4.7.2",
     "@openzeppelin/test-environment": "0.1.4",
     "@openzeppelin/test-helpers": "0.5.6",
     "@truffle/hdwallet-provider": "1.0.35",