diff --git a/package-lock.json b/package-lock.json
index aea2851..192175e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -49,9 +49,9 @@
       }
     },
     "@openzeppelin/contracts": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-3.0.1.tgz",
-      "integrity": "sha512-uSrD7hZ0ViuHGqHZbeHawZBi/uy7aBiNramXAt2dFFuSuoU4u9insS3V3zdVfOnYSPreUo636xSOuQIFN4//HA=="
+      "version": "4.4.2",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.4.2.tgz",
+      "integrity": "sha512-NyJV7sJgoGYqbtNUWgzzOGW4T6rR19FmX1IJgXGdapGPWsuMelGJn9h03nos0iqfforCbCB0iYIR0MtIuIFLLw=="
     },
     "@openzeppelin/test-environment": {
       "version": "0.1.0-rc.1",
diff --git a/package.json b/package.json
index 890702d..eb5e004 100644
--- a/package.json
+++ b/package.json
@@ -41,6 +41,6 @@
     "truffle-hdwallet-provider": "^1.0.17"
   },
   "dependencies": {
-    "@openzeppelin/contracts": "^3.0.1"
+    "@openzeppelin/contracts": "^4.4.2"
   }
 }