diff --git a/package-lock.json b/package-lock.json
index 70cbf5c..9a80436 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6128,9 +6128,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.19",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
-      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "lodash._reinterpolate": {
       "version": "3.0.0",
diff --git a/package.json b/package.json
index 3b82911..fb96da8 100644
--- a/package.json
+++ b/package.json
@@ -58,6 +58,6 @@
     "@vuepress/plugin-medium-zoom": "^1.2.0",
     "@vuepress/plugin-nprogress": "^1.2.0",
     "gitalk": "^1.5.0",
-    "lodash": "^4.17.19"
+    "lodash": "^4.17.21"
   }
 }