diff --git a/package.json b/package.json
index 7363978..745106d 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "vue-property-decorator": "~8.3.0",
     "vue-router": "~3.1.3",
     "vuex": "~3.0.1",
-    "lodash": "~4.17.15"
+    "lodash": "~4.17.21"
   },
   "devDependencies": {
     "@types/jest": "~24.0.11",
diff --git a/yarn.lock b/yarn.lock
index 5fe18b3..5fbfb5e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5850,10 +5850,10 @@ lodash.uniq@^4.5.0:
   resolved "https://registry.npm.taobao.org/lodash.uniq/download/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
   integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=
 
-lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.3, lodash@^4.17.4, lodash@~4.17.15:
-  version "4.17.15"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
-  integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
+lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.3, lodash@^4.17.4, lodash@~4.17.21:
+  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"