diff --git a/package.json b/package.json
index 9ac4520..6aa0d92 100644
--- a/package.json
+++ b/package.json
@@ -245,7 +245,7 @@
     "@luogu-dev/markdown-it-katex": "0.0.1",
     "axios": "^0.18.0",
     "fs-extra": "^7.0.0",
-    "lodash": "^4.17.13",
+    "lodash": "^4.17.21",
     "markdown-it": "^8.4.2",
     "markdown-it-highlightjs": "^3.0.0",
     "marked": "^0.6.1",
diff --git a/yarn.lock b/yarn.lock
index 5bf6890..b10d7f8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2722,10 +2722,10 @@ lodash.unescape@4.0.1:
   resolved "http://registry.npm.taobao.org/lodash.unescape/download/lodash.unescape-4.0.1.tgz#bf2249886ce514cda112fae9218cdc065211fc9c"
   integrity sha1-vyJJiGzlFM2hEvrpIYzcBlIR/Jw=
 
-lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.13:
-  version "4.17.13"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.13.tgz#0bdc3a6adc873d2f4e0c4bac285df91b64fc7b93"
-  integrity sha512-vm3/XWXfWtRua0FkUyEHBZy8kCPjErNBT9fJx8Zvs+U6zjqPbTUOpkaoum3O5uiA8sm+yNMHXfYkTUHFoMxFNA==
+lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.21:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 loose-envify@^1.0.0, loose-envify@^1.4.0:
   version "1.4.0"