diff --git a/package.json b/package.json
index e7f9d90..09de74c 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "docz": "0.13.4",
     "docz-plugin-css": "^0.11.0",
     "docz-theme-default": "0.13.4",
-    "electron": "^4.0.0",
+    "electron": "^4.0.1",
     "electron-builder": "^20.38.4",
     "electron-compilers": "^5.9.0",
     "electron-icon-maker": "^0.0.4",
@@ -69,6 +69,7 @@
     "html-webpack-plugin": "^3.1.0",
     "jest": "^23.6.0",
     "jest-dom": "^2.1.1",
+    "jest-extended": "^0.11.0",
     "node-sass": "^4.8.3",
     "postcss-loader": "^3.0.0",
     "pre-commit": "^1.2.2",
diff --git a/yarn.lock b/yarn.lock
index e5ec87b..11f3543 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1580,16 +1580,16 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-10.12.15.tgz#20e85651b62fd86656e57c9c9bc771ab1570bc59"
   integrity sha512-9kROxduaN98QghwwHmxXO2Xz3MaWf+I1sLVAA6KJDF5xix+IyXVhds0MAfdNwtcpSrzhaTsNB0/jnL86fgUhqA==
 
+"@types/node@^10.12.18":
+  version "10.12.18"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.12.18.tgz#1d3ca764718915584fcd9f6344621b7672665c67"
+  integrity sha512-fh+pAqt4xRzPfqA6eh3Z2y6fyZavRIumvjhaCL753+TVkGKGhpPeyrJG2JftD0T9q4GF00KjefsQ+PQNDdWQaQ==
+
 "@types/node@^7.0.12":
   version "7.10.2"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-7.10.2.tgz#a98845168012d7a63a84d50e738829da43bdb0de"
   integrity sha512-RO4ig5taKmcrU4Rex8ojG1gpwFkjddzug9iPQSDvbewHN9vDpcFewevkaOK+KT+w1LeZnxbgOyfXwV4pxsQ4GQ==
 
-"@types/node@^8.0.24":
-  version "8.10.39"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-8.10.39.tgz#e7e87ad00364dd7bc485c940926345b8ec1a26ca"
-  integrity sha512-rE7fktr02J8ybFf6eysife+WF+L4sAHWzw09DgdCebEu+qDwMvv4zl6Bc+825ttGZP73kCKxa3dhJOoGJ8+5mA==
-
 "@types/q@^1.5.1":
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/@types/q/-/q-1.5.1.tgz#48fd98c1561fe718b61733daed46ff115b496e18"
@@ -6284,12 +6284,12 @@ electron-updater@^4.0.4:
     semver "^5.6.0"
     source-map-support "^0.5.9"
 
-electron@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/electron/-/electron-4.0.0.tgz#6ccb40cc8bf2d49954dcea73b97ae7ad12ee04b3"
-  integrity sha512-3XPG/3IXlvnT1oe1K6zEushoD0SKbP8xwdrL10EWGe6k2iOV4hSHqJ8vWnR8yZ7VbSXmBRfomEFDNAo/q/cwKw==
+electron@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/electron/-/electron-4.0.1.tgz#c41eaee9e081c2e5e4a4a4a761b7577a77d2eb18"
+  integrity sha512-kBWDLn1Vq8Tm6+/HpQc8gkjX7wJyQI8v/lf2kAirfi0Q4cXh6vBjozFvV1U/9gGCbyKnIDM+m8/wpyJIjg4w7g==
   dependencies:
-    "@types/node" "^8.0.24"
+    "@types/node" "^10.12.18"
     electron-download "^4.1.0"
     extract-zip "^1.0.3"
 
@@ -9541,7 +9541,16 @@ jest-environment-node@^23.4.0:
     jest-mock "^23.2.0"
     jest-util "^23.4.0"
 
-jest-get-type@^22.1.0:
+jest-extended@^0.11.0:
+  version "0.11.0"
+  resolved "https://registry.yarnpkg.com/jest-extended/-/jest-extended-0.11.0.tgz#621a0f07c828166657416e590607eab8c3c3eeda"
+  integrity sha512-7VJQDyObjKRqaiaRvzSbWchwTvk7mQYPaEzPcK2Nwrna6ZSPe/AB9aPDjgH2oT0QONtF6FvM3GIvDdJhttJeaA==
+  dependencies:
+    expect "^23.6.0"
+    jest-get-type "^22.4.3"
+    jest-matcher-utils "^22.0.0"
+
+jest-get-type@^22.1.0, jest-get-type@^22.4.3:
   version "22.4.3"
   resolved "https://registry.yarnpkg.com/jest-get-type/-/jest-get-type-22.4.3.tgz#e3a8504d8479342dd4420236b322869f18900ce4"
   integrity sha512-/jsz0Y+V29w1chdXVygEKSz2nBoHoYqNShPe+QgxSNjAuP1i8+k4LbQNrfoliKej0P45sivkSCh7yiD6ubHS3w==
@@ -9585,6 +9594,15 @@ jest-leak-detector@^23.6.0:
   dependencies:
     pretty-format "^23.6.0"
 
+jest-matcher-utils@^22.0.0:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-matcher-utils/-/jest-matcher-utils-22.4.3.tgz#4632fe428ebc73ebc194d3c7b65d37b161f710ff"
+  integrity sha512-lsEHVaTnKzdAPR5t4B6OcxXo9Vy4K+kRRbG5gtddY8lBEC+Mlpvm1CJcsMESRjzUhzkz568exMV1hTB76nAKbA==
+  dependencies:
+    chalk "^2.0.1"
+    jest-get-type "^22.4.3"
+    pretty-format "^22.4.3"
+
 jest-matcher-utils@^23.6.0:
   version "23.6.0"
   resolved "https://registry.yarnpkg.com/jest-matcher-utils/-/jest-matcher-utils-23.6.0.tgz#726bcea0c5294261a7417afb6da3186b4b8cac80"
@@ -13051,6 +13069,14 @@ pretty-error@^2.0.2:
     renderkid "^2.0.1"
     utila "~0.4"
 
+pretty-format@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-22.4.3.tgz#f873d780839a9c02e9664c8a082e9ee79eaac16f"
+  integrity sha512-S4oT9/sT6MN7/3COoOy+ZJeA92VmOnveLHgrwBE3Z1W5N9S2A1QGNYiE1z75DAENbJrXXUb+OWXhpJcg05QKQQ==
+  dependencies:
+    ansi-regex "^3.0.0"
+    ansi-styles "^3.2.0"
+
 pretty-format@^23.6.0:
   version "23.6.0"
   resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-23.6.0.tgz#5eaac8eeb6b33b987b7fe6097ea6a8a146ab5760"
@@ -16982,9 +17008,9 @@ web-namespaces@^1.1.2:
   integrity sha512-II+n2ms4mPxK+RnIxRPOw3zwF2jRscdJIUE9BfkKHm4FYEg9+biIoTMnaZF5MpemE3T+VhMLrhbyD4ilkPCSbg==
 
 webdriverio@^4.13.0:
-  version "4.14.0"
-  resolved "https://registry.yarnpkg.com/webdriverio/-/webdriverio-4.14.0.tgz#f8a48d03abc70c87d7d17b59bd3f45a322927e0c"
-  integrity sha512-642Iqp9en2hvuVINkTfQvWoQCaLb6zJyLHgQFUFLx7s+8l8GnrHzMjkv5DbecZHwnBkhybpphbTW7k0B2ARH5A==
+  version "4.14.2"
+  resolved "https://registry.yarnpkg.com/webdriverio/-/webdriverio-4.14.2.tgz#335038214272675b409bdfc8276a9345a88bc83e"
+  integrity sha512-eZXiu0ST6KBi6Pz8tDArw5bNgGu6aohrkA8GFADk1HzClSyf+3arcS16Q7n7SaUPz/ZemsLIw5nQO8eb6v8L3g==
   dependencies:
     archiver "~2.1.0"
     babel-runtime "^6.26.0"