diff --git a/yarn.lock b/yarn.lock
index 1d81dd9..d29dacd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -78,7 +78,7 @@
 
 "@types/node@^8.0.24":
   version "8.9.5"
-  resolved "http://registry.npmjs.org/@types/node/-/node-8.9.5.tgz#162b864bc70be077e6db212b322754917929e976"
+  resolved "https://registry.npmjs.org/@types/node/-/node-8.9.5.tgz#162b864bc70be077e6db212b322754917929e976"
 
 "@types/react-dom@16.0.3":
   version "16.0.3"
@@ -3998,8 +3998,8 @@ lodash.uniq@^4.5.0:
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
 lodash@^4.0.0, lodash@^4.13.1, lodash@^4.14.0, lodash@^4.15.0, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.3.0, lodash@^4.5.1, lodash@^4.6.1, lodash@^4.8.0, lodash@~4.17.4:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 log-symbols@^2.1.0:
   version "2.1.0"