diff --git a/app/package-lock.json b/app/package-lock.json
index cf565d3..b231034 100644
--- a/app/package-lock.json
+++ b/app/package-lock.json
@@ -3786,9 +3786,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.11",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-      "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
       "dev": true
     },
     "lodash.debounce": {
@@ -4329,6 +4329,11 @@
         "wrappy": "1"
       }
     },
+    "openzeppelin-solidity": {
+      "version": "2.5.1",
+      "resolved": "https://registry.npmjs.org/openzeppelin-solidity/-/openzeppelin-solidity-2.5.1.tgz",
+      "integrity": "sha512-oCGtQPLOou4su76IMr4XXJavy9a8OZmAXeUZ8diOdFznlL/mlkIlYr7wajqCzH4S47nlKPS7m0+a2nilCTpVPQ=="
+    },
     "opn": {
       "version": "5.4.0",
       "resolved": "https://registry.npmjs.org/opn/-/opn-5.4.0.tgz",