diff --git a/package-lock.json b/package-lock.json
index fa7eb61..18e4833 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1064,9 +1064,9 @@
       }
     },
     "@openzeppelin/contracts": {
-      "version": "4.6.0",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.6.0.tgz",
-      "integrity": "sha512-8vi4d50NNya/bQqCmaVzvHNmwHvS0OBKb7HNtuNwEE3scXWrP31fKQoGxNMT+KbzmrNZzatE3QK5p2gFONI/hg=="
+      "version": "4.7.2",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.7.2.tgz",
+      "integrity": "sha512-4n/JL9izql8303mPqPdubuna/DWEMbmOzWYUWyCPhjhiEr2w3nQrjE7vZz1fBF+wzzP6dZbIcsgqACk53c9FGA=="
     },
     "@resolver-engine/core": {
       "version": "0.3.3",
diff --git a/package.json b/package.json
index 54acf65..2843fce 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
         "test": "hardhat test"
     },
     "dependencies": {
-        "@openzeppelin/contracts": "^4.6.0"
+        "@openzeppelin/contracts": "^4.7.2"
     },
     "devDependencies": {
         "@nomiclabs/hardhat-ethers": "^2.0.6",