diff --git a/package.json b/package.json
index 17ae5d1..e434c3b 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "element-ui": "^2.4.11",
     "jsonwebtoken": "^8.4.0",
     "jwt-decode": "^2.2.0",
-    "lodash": "^4.17.11",
+    "lodash": "^4.17.21",
     "pouchdb": "^7.0.0",
     "pouchdb-authentication": "^1.1.3",
     "pouchdb-find": "^7.0.0",
diff --git a/yarn.lock b/yarn.lock
index c73bf77..f1d17d1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6614,10 +6614,10 @@ lodash.without@~4.4.0:
   resolved "http://registry.npm.taobao.org/lodash.without/download/lodash.without-4.4.0.tgz#3cd4574a00b67bae373a94b748772640507b7aac"
   integrity sha1-PNRXSgC2e643OpS3SHcmQFB7eqw=
 
-lodash@^4.0.0, lodash@^4.13.1, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.3.0, lodash@^4.8.0, lodash@~4.17.10:
-  version "4.17.11"
-  resolved "http://registry.npm.taobao.org/lodash/download/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
-  integrity sha1-s56mIp72B+zYniyN8SU2iRysm40=
+lodash@^4.0.0, lodash@^4.13.1, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.21, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.3.0, lodash@^4.8.0, lodash@~4.17.10:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 log-symbols@^2.2.0:
   version "2.2.0"