diff --git a/yarn.lock b/yarn.lock
index 59305f5..b017b71 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1570,6 +1570,10 @@ core-js@^2.4.0:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.4.1.tgz#4de911e667b0eae9124e34254b53aea6fc618d3e"
 
+core-js@^2.5.1:
+  version "2.6.11"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.11.tgz#38831469f9922bded8ee21c9dc46985e0399308c"
+
 core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
@@ -6107,8 +6111,8 @@ string_decoder@~1.0.0:
     safe-buffer "^5.0.1"
 
 stringstream@~0.0.4:
-  version "0.0.5"
-  resolved "https://registry.yarnpkg.com/stringstream/-/stringstream-0.0.5.tgz#4e484cd4de5a0bbbee18e46307710a8a81621878"
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/stringstream/-/stringstream-0.0.6.tgz#7880225b0d4ad10e30927d167a1d6f2fd3b33a72"
 
 strip-ansi@^3.0.0, strip-ansi@^3.0.1:
   version "3.0.1"
@@ -6653,6 +6657,10 @@ vue-loader@^13.0.5:
     vue-style-loader "^3.0.0"
     vue-template-es2015-compiler "^1.6.0"
 
+vue-router@^3.0.1:
+  version "3.1.6"
+  resolved "https://registry.yarnpkg.com/vue-router/-/vue-router-3.1.6.tgz#45f5a3a3843e31702c061dd829393554e4328f89"
+
 vue-style-loader@^3.0.0:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/vue-style-loader/-/vue-style-loader-3.0.3.tgz#623658f81506aef9d121cdc113a4f5c9cac32df7"
@@ -6675,6 +6683,10 @@ vue@^2.5.3:
   version "2.5.8"
   resolved "https://registry.yarnpkg.com/vue/-/vue-2.5.8.tgz#f855c1c27255184a82225f4bef225473e8faf15b"
 
+vuex@^3.0.1:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/vuex/-/vuex-3.1.3.tgz#f2ad73e3fb73691698b38c93f66e58e267947180"
+
 ware@^1.2.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/ware/-/ware-1.3.0.tgz#d1b14f39d2e2cb4ab8c4098f756fe4b164e473d4"