diff --git a/package.json b/package.json
index 304642a..b0ccfa9 100644
--- a/package.json
+++ b/package.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": "4.8.1",
+        "@openzeppelin/contracts": "4.9.3",
         "@typechain/ethers-v5": "^7.0.1",
         "@typechain/hardhat": "^6.1.5",
         "@types/mocha": "^10.0.0",
diff --git a/yarn.lock b/yarn.lock
index 5a9dbe2..5d0d210 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1106,17 +1106,10 @@
     "@types/sinon-chai" "^3.2.3"
     "@types/web3" "1.0.19"
 
-"@openzeppelin/contracts@4.8.1":
-  version "4.8.1"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.8.1.tgz#709cfc4bbb3ca9f4460d60101f15dac6b7a2d5e4"
-  integrity sha512-xQ6eUZl+RDyb/FiZe1h+U7qr/f4p/SrTSQcTPH2bjur3C5DbuW/zFgCU/b1P/xcIaEqJep+9ju4xDRi3rmChdQ==
-
-"@primitivefi/hardhat-dodoc@^0.2.3":
-  version "0.2.3"
-  resolved "https://registry.yarnpkg.com/@primitivefi/hardhat-dodoc/-/hardhat-dodoc-0.2.3.tgz#76aebbfa70de2d6454af29e166b1430583b54c5c"
-  integrity sha512-ver9uHa79LTDTeebOKZ/eOVRL/FP1k0s0x/5Bo/8ZaDdLWFVClKqZyZYVjjW4CJqTPCt8uU9b9p71P2vzH4O9A==
-  dependencies:
-    squirrelly "^8.0.8"
+"@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==
 
 "@resolver-engine/core@^0.3.3":
   version "0.3.3"
@@ -8295,11 +8288,6 @@ sprintf-js@~1.0.2:
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
   integrity sha512-D9cPgkvLlV3t3IzL0D0YLvGA9Ahk4PcvVwUbN0dSGr1aP0Nrt4AEnTUbuGvquEC0mA64Gqt1fzirlRs5ibXx8g==
 
-squirrelly@^8.0.8:
-  version "8.0.8"
-  resolved "https://registry.yarnpkg.com/squirrelly/-/squirrelly-8.0.8.tgz#d6704650b2170b8040d5de5bff9fa69cb62b5e0f"
-  integrity sha512-7dyZJ9Gw86MmH0dYLiESsjGOTj6KG8IWToTaqBuB6LwPI+hyNb6mbQaZwrfnAQ4cMDnSWMUvX/zAYDLTSWLk/w==
-
 sshpk@^1.7.0:
   version "1.17.0"
   resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.17.0.tgz#578082d92d4fe612b13007496e543fa0fbcbe4c5"