diff --git a/ui/package.json b/ui/package.json
index a8e0624836..0e8312391a 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -9,7 +9,7 @@
     "build": "./scripts/build.sh"
   },
   "devDependencies": {
-    "@openzeppelin/contracts": "^3.2.0",
+    "@openzeppelin/contracts": "^4.8.1",
     "@openzeppelin/test-helpers": "^0.5.10",
     "concurrently": "^5.3.0",
     "ganache-cli": "^6.12.0",
diff --git a/ui/yarn.lock b/ui/yarn.lock
index b1367356c0..cc9a5d19f3 100644
--- a/ui/yarn.lock
+++ b/ui/yarn.lock
@@ -271,10 +271,10 @@
     find-up "^4.1.0"
     fs-extra "^8.1.0"
 
-"@openzeppelin/contracts@^3.2.0":
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-3.2.0.tgz#3e6b3a7662d8ed64271ade96ef42655db983fd9d"
-  integrity sha512-bUOmkSoPkjnUyMiKo6RYnb0VHBk5D9KKDAgNLzF41aqAM3TeE0yGdFF5dVRcV60pZdJLlyFT/jjXIZCWyyEzAQ==
+"@openzeppelin/contracts@^4.8.1":
+  version "4.8.1"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.8.1.tgz#709cfc4bbb3ca9f4460d60101f15dac6b7a2d5e4"
+  integrity sha512-xQ6eUZl+RDyb/FiZe1h+U7qr/f4p/SrTSQcTPH2bjur3C5DbuW/zFgCU/b1P/xcIaEqJep+9ju4xDRi3rmChdQ==
 
 "@openzeppelin/test-helpers@^0.5.10":
   version "0.5.10"