diff --git a/solidity/bts/package-lock.json b/solidity/bts/package-lock.json
index 2452ac0ad..2a55ae986 100644
--- a/solidity/bts/package-lock.json
+++ b/solidity/bts/package-lock.json
@@ -1035,9 +1035,9 @@
             }
         },
         "@openzeppelin/contracts": {
-            "version": "4.7.3",
-            "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.7.3.tgz",
-            "integrity": "sha512-dGRS0agJzu8ybo44pCIf3xBaPQN/65AIXNgK8+4gzKd5kbvlqyxryUYVLJv7fK98Seyd2hDZzVEHSWAh0Bt1Yw=="
+            "version": "4.8.3",
+            "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.8.3.tgz",
+            "integrity": "sha512-bQHV8R9Me8IaJoJ2vPG4rXcL7seB7YVuskr4f+f5RyOStSZetwzkWtoqDMl5erkBJy0lDRUnIR2WIkPiC0GJlg=="
         },
         "@openzeppelin/contracts-upgradeable": {
             "version": "4.7.3",
diff --git a/solidity/bts/package.json b/solidity/bts/package.json
index c34268f91..7672192b1 100644
--- a/solidity/bts/package.json
+++ b/solidity/bts/package.json
@@ -3,7 +3,7 @@
     "version": "1.0.0",
     "license": "Apache-2.0",
     "dependencies": {
-        "@openzeppelin/contracts": "^4.7.3",
+        "@openzeppelin/contracts": "^4.8.3",
         "@openzeppelin/contracts-upgradeable": "^4.7.3",
         "@openzeppelin/truffle-upgrades": "^1.15.0",
         "@truffle/hdwallet-provider": "^2.0.12",
diff --git a/solidity/bts/yarn.lock b/solidity/bts/yarn.lock
index f758e8302..466823eab 100644
--- a/solidity/bts/yarn.lock
+++ b/solidity/bts/yarn.lock
@@ -933,10 +933,10 @@
   resolved "https://registry.yarnpkg.com/@openzeppelin/contracts-upgradeable/-/contracts-upgradeable-4.7.3.tgz#f1d606e2827d409053f3e908ba4eb8adb1dd6995"
   integrity sha512-+wuegAMaLcZnLCJIvrVUDzA9z/Wp93f0Dla/4jJvIhijRrPabjQbZe6fWiECLaJyfn5ci9fqf9vTw3xpQOad2A==
 
-"@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@^4.8.3":
+  version "4.8.3"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.8.3.tgz#cbef3146bfc570849405f59cba18235da95a252a"
+  integrity sha512-bQHV8R9Me8IaJoJ2vPG4rXcL7seB7YVuskr4f+f5RyOStSZetwzkWtoqDMl5erkBJy0lDRUnIR2WIkPiC0GJlg==
 
 "@openzeppelin/truffle-upgrades@^1.15.0":
   version "1.16.0"