diff --git a/package-lock.json b/package-lock.json
index 5d11561..7fff3ac 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8709,9 +8709,9 @@
       "dev": true
     },
     "@openzeppelin/contracts-upgradeable": {
-      "version": "3.4.1",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts-upgradeable/-/contracts-upgradeable-3.4.1.tgz",
-      "integrity": "sha512-wBGlUzEkOxcj/ghtcF2yKc8ZYh+PTUtm1mK38zoENulJ6aplij7eH8quo3lMugfzPJy+V6V5qI8QhdQmCn7hkQ==",
+      "version": "4.7.3",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts-upgradeable/-/contracts-upgradeable-4.7.3.tgz",
+      "integrity": "sha512-+wuegAMaLcZnLCJIvrVUDzA9z/Wp93f0Dla/4jJvIhijRrPabjQbZe6fWiECLaJyfn5ci9fqf9vTw3xpQOad2A==",
       "dev": true
     },
     "@openzeppelin/hardhat-upgrades": {
diff --git a/package.json b/package.json
index 9d06b7a..7d51649 100644
--- a/package.json
+++ b/package.json
@@ -69,7 +69,7 @@
     "@nomiclabs/hardhat-ethers": "^2.0.2",
     "@opengsn/gsn": "^2.1.0",
     "@openzeppelin/contracts": "^3.4.0",
-    "@openzeppelin/contracts-upgradeable": "^3.4.0",
+    "@openzeppelin/contracts-upgradeable": "^4.7.3",
     "@openzeppelin/upgrades": "^2.8.0",
     "@typechain/ethers-v5": "^6.0.5",
     "@types/jest": "^26.0.23",