diff --git a/package-lock.json b/package-lock.json
index 1ecbe3f..4ccca66 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
         "@nomiclabs/hardhat-etherscan": "^3.0.3",
         "@nomiclabs/hardhat-solhint": "^2.0.0",
         "@openzeppelin/contracts": "^4.0.0",
-        "@openzeppelin/contracts-upgradeable": "^4.5.2",
+        "@openzeppelin/contracts-upgradeable": "^4.7.3",
         "ethereum-waffle": "^3.4.4"
       },
       "devDependencies": {
@@ -3194,9 +3194,9 @@
       "integrity": "sha512-fdkzKPYMjrRiPK6K4y64e6GzULR7R7RwxSigHS8DDp7aWDeoReqsQI+cxHV1UuhAqX69L1lAaWDxenfP+xiqzA=="
     },
     "node_modules/@openzeppelin/contracts-upgradeable": {
-      "version": "4.5.2",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts-upgradeable/-/contracts-upgradeable-4.5.2.tgz",
-      "integrity": "sha512-xgWZYaPlrEOQo3cBj97Ufiuv79SPd8Brh4GcFYhPgb6WvAq4ppz8dWKL6h+jLAK01rUqMRp/TS9AdXgAeNvCLA=="
+      "version": "4.7.3",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts-upgradeable/-/contracts-upgradeable-4.7.3.tgz",
+      "integrity": "sha512-+wuegAMaLcZnLCJIvrVUDzA9z/Wp93f0Dla/4jJvIhijRrPabjQbZe6fWiECLaJyfn5ci9fqf9vTw3xpQOad2A=="
     },
     "node_modules/@openzeppelin/hardhat-upgrades": {
       "version": "1.17.0",
@@ -38034,9 +38034,9 @@
       "integrity": "sha512-fdkzKPYMjrRiPK6K4y64e6GzULR7R7RwxSigHS8DDp7aWDeoReqsQI+cxHV1UuhAqX69L1lAaWDxenfP+xiqzA=="
     },
     "@openzeppelin/contracts-upgradeable": {
-      "version": "4.5.2",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts-upgradeable/-/contracts-upgradeable-4.5.2.tgz",
-      "integrity": "sha512-xgWZYaPlrEOQo3cBj97Ufiuv79SPd8Brh4GcFYhPgb6WvAq4ppz8dWKL6h+jLAK01rUqMRp/TS9AdXgAeNvCLA=="
+      "version": "4.7.3",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts-upgradeable/-/contracts-upgradeable-4.7.3.tgz",
+      "integrity": "sha512-+wuegAMaLcZnLCJIvrVUDzA9z/Wp93f0Dla/4jJvIhijRrPabjQbZe6fWiECLaJyfn5ci9fqf9vTw3xpQOad2A=="
     },
     "@openzeppelin/hardhat-upgrades": {
       "version": "1.17.0",
diff --git a/package.json b/package.json
index 1b682fb..9209c5f 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "@nomiclabs/hardhat-etherscan": "^3.0.3",
     "@nomiclabs/hardhat-solhint": "^2.0.0",
     "@openzeppelin/contracts": "^4.0.0",
-    "@openzeppelin/contracts-upgradeable": "^4.5.2",
+    "@openzeppelin/contracts-upgradeable": "^4.7.3",
     "ethereum-waffle": "^3.4.4"
   },
   "devDependencies": {