diff --git a/package-lock.json b/package-lock.json
index 8fc7a8b..fbefb69 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -603,9 +603,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.15",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "log-symbols": {
       "version": "3.0.0",
diff --git a/package.json b/package.json
index 7bc1cff..4f3633e 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "semver": "5.7.1",
     "to": "0.2.9",
     "url": "0.11.0",
-    "lodash": "4.17.15",
+    "lodash": "4.17.21",
     "marked": "0.3.19"
   },
   "devDependencies": {