diff --git a/README.md b/README.md
index 05f98fe82..92744b57c 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,7 @@
 
 </div align="center">
 
+
 <div align="center">
 
 🛠️ **Tools for building on top of the [Boson Protocol](https://bosonprotocol.io).**
diff --git a/contracts/package-lock.json b/contracts/package-lock.json
index 1b9082b44..5eb783242 100644
--- a/contracts/package-lock.json
+++ b/contracts/package-lock.json
@@ -9,7 +9,7 @@
         "@nomiclabs/hardhat-ethers": "^2.0.6",
         "@nomiclabs/hardhat-etherscan": "^3.1.0",
         "@nomiclabs/hardhat-waffle": "^2.0.3",
-        "@openzeppelin/contracts": "^4.6.0",
+        "@openzeppelin/contracts": "^4.7.3",
         "@openzeppelin/contracts-upgradeable": "^4.6.0",
         "chai": "^4.3.6",
         "dotenv": "^16.0.1",
@@ -1260,9 +1260,9 @@
       }
     },
     "node_modules/@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": "4.7.3",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.7.3.tgz",
+      "integrity": "sha512-dGRS0agJzu8ybo44pCIf3xBaPQN/65AIXNgK8+4gzKd5kbvlqyxryUYVLJv7fK98Seyd2hDZzVEHSWAh0Bt1Yw==",
       "dev": true
     },
     "node_modules/@openzeppelin/contracts-upgradeable": {
@@ -16348,9 +16348,9 @@
       }
     },
     "@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": "4.7.3",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.7.3.tgz",
+      "integrity": "sha512-dGRS0agJzu8ybo44pCIf3xBaPQN/65AIXNgK8+4gzKd5kbvlqyxryUYVLJv7fK98Seyd2hDZzVEHSWAh0Bt1Yw==",
       "dev": true
     },
     "@openzeppelin/contracts-upgradeable": {
diff --git a/contracts/package.json b/contracts/package.json
index dc6d422f8..f9139d005 100644
--- a/contracts/package.json
+++ b/contracts/package.json
@@ -10,7 +10,7 @@
     "@nomiclabs/hardhat-ethers": "^2.0.6",
     "@nomiclabs/hardhat-etherscan": "^3.1.0",
     "@nomiclabs/hardhat-waffle": "^2.0.3",
-    "@openzeppelin/contracts": "^4.6.0",
+    "@openzeppelin/contracts": "^4.7.3",
     "@openzeppelin/contracts-upgradeable": "^4.6.0",
     "chai": "^4.3.6",
     "dotenv": "^16.0.1",