diff --git a/package.json b/package.json
index e3ffd04..b1e2792 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
   "homepage": "https://github.com/gitcoinco/BulkTransactions#readme",
   "devDependencies": {
     "@openzeppelin/cli": "^2.8.2",
-    "@openzeppelin/contracts": "^3.1.0",
+    "@openzeppelin/contracts": "^4.7.2",
     "@openzeppelin/test-environment": "^0.1.4",
     "@openzeppelin/test-helpers": "^0.5.6",
     "chai": "^4.2.0",
diff --git a/yarn.lock b/yarn.lock
index b1f322c..d6bf03b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -498,10 +498,10 @@
     fs-extra "^8.1.0"
     try-require "^1.2.1"
 
-"@openzeppelin/contracts@^3.1.0":
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-3.1.0.tgz#bcea457ef89069fbe5a617f50b25b6a8272895d5"
-  integrity sha512-dVXDnUKxrAKLzPdCRkz+N8qsVkK1XxJ6kk3zuI6zaQmcKxN7CkizoDP7lXxcs/Mi2I0mxceTRjJBqlzFffLJrQ==
+"@openzeppelin/contracts@^4.7.2":
+  version "4.7.2"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.7.2.tgz#7587416fe2d35abf574193515b8971bfe9f64bc7"
+  integrity sha512-4n/JL9izql8303mPqPdubuna/DWEMbmOzWYUWyCPhjhiEr2w3nQrjE7vZz1fBF+wzzP6dZbIcsgqACk53c9FGA==
 
 "@openzeppelin/fuzzy-solidity-import-parser@^0.1.2":
   version "0.1.2"