diff --git a/package-lock.json b/package-lock.json
index 58ba1cd..8204317 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3336,9 +3336,9 @@
       }
     },
     "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=="
     },
     "loglevel": {
       "version": "1.6.8",
diff --git a/package.json b/package.json
index 9d9365d..9c2d70e 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   },
   "dependencies": {
     "highlight.js": "^10.0.3",
-    "lodash": "^4.17.15",
+    "lodash": "^4.17.21",
     "reveal.js": "^4.0.2"
   },
   "engines": {