diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index af54e57..6a30bd3
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "axios": "^0.16.2",
     "bulma": "^0.5.1",
     "downloadjs": "^1.4.7",
-    "lodash": "^4.17.4",
+    "lodash": "^4.17.21",
     "moment": "^2.18.1",
     "object-assign": "^4.1.1",
     "promise-polyfill": "^6.0.2",
diff --git a/yarn.lock b/yarn.lock
old mode 100755
new mode 100644
index c07abf5..8beac67
--- a/yarn.lock
+++ b/yarn.lock
@@ -3262,13 +3262,9 @@ lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "http://registry.npm.taobao.org/lodash.uniq/download/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
-lodash@^4.0.0, lodash@^4.14.0, lodash@^4.17.2, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.3.0, lodash@~4.17.4:
-  version "4.17.4"
-  resolved "http://registry.npm.taobao.org/lodash/download/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
-
-lodash@^4.17.10:
-  version "4.17.10"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
+lodash@^4.0.0, lodash@^4.14.0, lodash@^4.17.10, lodash@^4.17.2, lodash@^4.17.21, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.3.0, lodash@~4.17.4:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 loglevel@^1.4.1:
   version "1.4.1"