diff --git a/package-lock.json b/package-lock.json
index 89ea359..0ddd74e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "tokenizer-prototype",
-  "version": "1.0.32",
+  "version": "1.0.33",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -872,9 +872,9 @@
       }
     },
     "@openzeppelin/contracts": {
-      "version": "4.4.2",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.4.2.tgz",
-      "integrity": "sha512-NyJV7sJgoGYqbtNUWgzzOGW4T6rR19FmX1IJgXGdapGPWsuMelGJn9h03nos0iqfforCbCB0iYIR0MtIuIFLLw=="
+      "version": "4.7.2",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.7.2.tgz",
+      "integrity": "sha512-4n/JL9izql8303mPqPdubuna/DWEMbmOzWYUWyCPhjhiEr2w3nQrjE7vZz1fBF+wzzP6dZbIcsgqACk53c9FGA=="
     },
     "@resolver-engine/core": {
       "version": "0.3.3",