diff --git a/packages/payment-processor/package.json b/packages/payment-processor/package.json
index 715170bace..9639da8927 100644
--- a/packages/payment-processor/package.json
+++ b/packages/payment-processor/package.json
@@ -39,7 +39,7 @@
     "test:watch": "yarn test --watch"
   },
   "dependencies": {
-    "@openzeppelin/contracts": "4.9.5",
+    "@openzeppelin/contracts": "4.9.6",
     "@requestnetwork/currency": "0.16.0",
     "@requestnetwork/payment-detection": "0.43.0",
     "@requestnetwork/smart-contracts": "0.36.0",
diff --git a/yarn.lock b/yarn.lock
index 486e571478..8c7a6838bb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4392,11 +4392,6 @@
   resolved "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.5.0.tgz"
   integrity sha512-fdkzKPYMjrRiPK6K4y64e6GzULR7R7RwxSigHS8DDp7aWDeoReqsQI+cxHV1UuhAqX69L1lAaWDxenfP+xiqzA==
 
-"@openzeppelin/contracts@4.9.5":
-  version "4.9.5"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.9.5.tgz#1eed23d4844c861a1835b5d33507c1017fa98de8"
-  integrity sha512-ZK+W5mVhRppff9BE6YdR8CC52C8zAvsVAiWhEtQ5+oNxFE6h1WdeWo+FJSF8KKvtxxVYZ7MTP/5KoVpAU3aSWg==
-
 "@openzeppelin/contracts@4.9.6":
   version "4.9.6"
   resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.9.6.tgz#2a880a24eb19b4f8b25adc2a5095f2aa27f39677"