diff --git a/package.json b/package.json
index 87c7389..877b56b 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "version": "1.0.0",
   "license": "MIT",
   "dependencies": {
-    "@openzeppelin/contracts": "^4.9.3",
+    "@openzeppelin/contracts": "^4.9.6",
     "@openzeppelin/test-helpers": "^0.5.6",
     "truffle": "^5.1.41",
     "truffle-flattener": "^1.4.4"
diff --git a/yarn.lock b/yarn.lock
index 26d0f81..c012e3b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -627,10 +627,10 @@
     find-up "^4.1.0"
     fs-extra "^8.1.0"
 
-"@openzeppelin/contracts@^4.9.3":
-  version "4.9.3"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.9.3.tgz#00d7a8cf35a475b160b3f0293a6403c511099364"
-  integrity sha512-He3LieZ1pP2TNt5JbkPA4PNT9WC3gOTOlDcFGJW4Le4QKqwmiNJCRt44APfxMxvq7OugU/cqYuPcSBzOw38DAg==
+"@openzeppelin/contracts@^4.9.6":
+  version "4.9.6"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.9.6.tgz#2a880a24eb19b4f8b25adc2a5095f2aa27f39677"
+  integrity sha512-xSmezSupL+y9VkHZJGDoCBpmnB2ogM13ccaYDWqJTfS3dbuHkgjuwDFUmaFauBCboQMGB/S5UqUl2y54X99BmA==
 
 "@openzeppelin/test-helpers@^0.5.6":
   version "0.5.16"