diff --git a/solidity/random-beacon/package.json b/solidity/random-beacon/package.json
index 745340132e..1b4dd1a6a7 100644
--- a/solidity/random-beacon/package.json
+++ b/solidity/random-beacon/package.json
@@ -34,7 +34,7 @@
   },
   "dependencies": {
     "@keep-network/sortition-pools": "^2.0.0-pre.16",
-    "@openzeppelin/contracts": "4.7.3",
+    "@openzeppelin/contracts": "4.9.3",
     "@thesis/solidity-contracts": "github:thesis/solidity-contracts#4985bcf",
     "@threshold-network/solidity-contracts": "development"
   },
diff --git a/solidity/random-beacon/yarn.lock b/solidity/random-beacon/yarn.lock
index cd4ca0d374..f9a82b3fac 100644
--- a/solidity/random-beacon/yarn.lock
+++ b/solidity/random-beacon/yarn.lock
@@ -1095,15 +1095,10 @@
   resolved "https://registry.yarnpkg.com/@openzeppelin/contracts-upgradeable/-/contracts-upgradeable-4.5.2.tgz#90d9e47bacfd8693bfad0ac8a394645575528d05"
   integrity sha512-xgWZYaPlrEOQo3cBj97Ufiuv79SPd8Brh4GcFYhPgb6WvAq4ppz8dWKL6h+jLAK01rUqMRp/TS9AdXgAeNvCLA==
 
-"@openzeppelin/contracts@4.7.3":
-  version "4.7.3"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.7.3.tgz#939534757a81f8d69cc854c7692805684ff3111e"
-  integrity sha512-dGRS0agJzu8ybo44pCIf3xBaPQN/65AIXNgK8+4gzKd5kbvlqyxryUYVLJv7fK98Seyd2hDZzVEHSWAh0Bt1Yw==
-
-"@openzeppelin/contracts@^4.1.0", "@openzeppelin/contracts@^4.3.2":
-  version "4.9.1"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.9.1.tgz#afa804d2c68398704b0175acc94d91a54f203645"
-  integrity sha512-aLDTLu/If1qYIFW5g4ZibuQaUsFGWQPBq1mZKp/txaebUnGHDmmiBhRLY1tDNedN0m+fJtKZ1zAODS9Yk+V6uA==
+"@openzeppelin/contracts@4.9.3", "@openzeppelin/contracts@^4.1.0", "@openzeppelin/contracts@^4.3.2":
+  version "4.9.3"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.9.3.tgz#00d7a8cf35a475b160b3f0293a6403c511099364"
+  integrity sha512-He3LieZ1pP2TNt5JbkPA4PNT9WC3gOTOlDcFGJW4Le4QKqwmiNJCRt44APfxMxvq7OugU/cqYuPcSBzOw38DAg==
 
 "@openzeppelin/contracts@~4.5.0":
   version "4.5.0"