diff --git a/package.json b/package.json
index 6898d16..39f2067 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
   "dependencies": {
     "axios": "^0.16.1",
     "babel-runtime": "^6.18.0",
-    "lodash": "^4.17.4",
+    "lodash": "^4.17.21",
     "promise-polyfill": "^6.0.2",
     "vue": "^2.3.3",
     "vue-router": "^2.5.3",
diff --git a/yarn.lock b/yarn.lock
index 1bff857..7ddc56b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3305,9 +3305,9 @@ lodash.words@^3.0.0:
   dependencies:
     lodash._root "^3.0.0"
 
-lodash@^4.0.0, lodash@^4.13.1, lodash@^4.14.0, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.3.0:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+lodash@^4.0.0, lodash@^4.13.1, lodash@^4.14.0, lodash@^4.17.21, lodash@^4.17.3, lodash@^4.2.0, lodash@^4.3.0:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 log-symbols@^1.0.2:
   version "1.0.2"