diff --git a/truffle/package-lock.json b/truffle/package-lock.json
index 128e72f..ce41cb5 100644
--- a/truffle/package-lock.json
+++ b/truffle/package-lock.json
@@ -1095,9 +1095,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.11",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-      "integrity": "sha1-s56mIp72B+zYniyN8SU2iRysm40="
+      "version": "4.17.15",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
     },
     "lru-cache": {
       "version": "4.1.5",