diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 88a2c08a..93e8660e
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "@nomiclabs/hardhat-etherscan": "3.1.3",
     "@nomiclabs/hardhat-waffle": "2.0.3",
     "@openzeppelin/contracts": "4.7.3",
-    "@openzeppelin/contracts-upgradeable": "4.7.3",
+    "@openzeppelin/contracts-upgradeable": "4.9.3",
     "@superfluid-finance/ethereum-contracts": "1.5.0",
     "@superfluid-finance/sdk-core": "0.6.1",
     "chai": "4.3.7",
diff --git a/yarn.lock b/yarn.lock
old mode 100755
new mode 100644
index 7d2654bd..e4b1b4e2
--- a/yarn.lock
+++ b/yarn.lock
@@ -897,10 +897,10 @@
   dependencies:
     "@types/bignumber.js" "^5.0.0"
 
-"@openzeppelin/contracts-upgradeable@4.7.3":
-  version "4.7.3"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts-upgradeable/-/contracts-upgradeable-4.7.3.tgz#f1d606e2827d409053f3e908ba4eb8adb1dd6995"
-  integrity sha512-+wuegAMaLcZnLCJIvrVUDzA9z/Wp93f0Dla/4jJvIhijRrPabjQbZe6fWiECLaJyfn5ci9fqf9vTw3xpQOad2A==
+"@openzeppelin/contracts-upgradeable@4.9.3":
+  version "4.9.3"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts-upgradeable/-/contracts-upgradeable-4.9.3.tgz#ff17a80fb945f5102571f8efecb5ce5915cc4811"
+  integrity sha512-jjaHAVRMrE4UuZNfDwjlLGDxTHWIOwTJS2ldnc278a0gevfXfPr8hxKEVBGFBE96kl2G3VHDZhUimw/+G3TG2A==
 
 "@openzeppelin/contracts@4.7.3":
   version "4.7.3"