diff --git a/yarn.lock b/yarn.lock
index 7ea2654..e9ab2cd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -678,17 +678,22 @@ braces@^1.8.2:
     preserve "^0.2.0"
     repeat-element "^1.1.2"
 
-browserslist@^3.0.0:
-  version "3.2.8"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-3.2.8.tgz#b0005361d6471f0f5952797a76fc985f1f978fc6"
+browserslist@^4.0.0:
+  version "4.7.0"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.7.0.tgz#9ee89225ffc07db03409f2fee524dc8227458a17"
   dependencies:
-    caniuse-lite "^1.0.30000844"
-    electron-to-chromium "^1.3.47"
+    caniuse-lite "^1.0.30000989"
+    electron-to-chromium "^1.3.247"
+    node-releases "^1.1.29"
 
-caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000844:
+caniuse-lite@^1.0.0:
   version "1.0.30000849"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000849.tgz#7e1aa48e6d58917dcd70aabf7e7a33514a258f91"
 
+caniuse-lite@^1.0.30000989:
+  version "1.0.30000997"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000997.tgz#ba44a606804f8680894b7042612c2c7f65685b7e"
+
 caseless@~0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
@@ -883,9 +888,9 @@ ecc-jsbn@~0.1.1:
   dependencies:
     jsbn "~0.1.0"
 
-electron-to-chromium@^1.3.47:
-  version "1.3.48"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.48.tgz#d3b0d8593814044e092ece2108fc3ac9aea4b900"
+electron-to-chromium@^1.3.247:
+  version "1.3.266"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.266.tgz#a33fb529c75f8d133e75ea7cbedb73a62f2158d2"
 
 entities@1.0:
   version "1.0.0"
@@ -1066,9 +1071,9 @@ fstream-ignore@^1.0.5:
     inherits "2"
     minimatch "^3.0.0"
 
-fstream@^1.0.0, fstream@^1.0.10, fstream@^1.0.2:
-  version "1.0.11"
-  resolved "https://registry.yarnpkg.com/fstream/-/fstream-1.0.11.tgz#5c1fb1f117477114f0632a0eb4b71b3cb0fd3171"
+fstream@^1.0.0, fstream@^1.0.10, fstream@^1.0.12:
+  version "1.0.12"
+  resolved "https://registry.yarnpkg.com/fstream/-/fstream-1.0.12.tgz#4e8ba8ee2d48be4f7d0de505455548eae5932045"
   dependencies:
     graceful-fs "^4.1.2"
     inherits "~2.0.0"
@@ -1148,6 +1153,17 @@ glob@^7.0.5, glob@^7.1.1, glob@^7.1.2, glob@~7.1.2:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
+glob@^7.1.3:
+  version "7.1.4"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.4.tgz#aa608a2f6c577ad357e1ae5a5c26d9a8d1969255"
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
 globals@^9.18.0:
   version "9.18.0"
   resolved "https://registry.yarnpkg.com/globals/-/globals-9.18.0.tgz#aa3896b3e69b487f17e31ed2143d69a8e30c2d8a"
@@ -1163,7 +1179,11 @@ globby@^4.0.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
-graceful-fs@^4.1.2, graceful-fs@^4.1.4, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
+graceful-fs@^4.1.2:
+  version "4.2.2"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.2.tgz#6f0952605d0140c1cfdb138ed005775b92d67b02"
+
+graceful-fs@^4.1.4, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
   version "4.1.11"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
 
@@ -1260,8 +1280,8 @@ inflight@^1.0.4:
     wrappy "1"
 
 inherits@2, inherits@^2.0.1, inherits@~2.0.0, inherits@~2.0.1, inherits@~2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
 
 ini@~1.3.0:
   version "1.3.5"
@@ -1690,6 +1710,12 @@ node-pre-gyp@^0.6.39:
     tar "^2.2.1"
     tar-pack "^3.4.0"
 
+node-releases@^1.1.29:
+  version "1.1.32"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.32.tgz#485b35c1bf9b4d8baa105d782f8ca731e518276e"
+  dependencies:
+    semver "^5.3.0"
+
 nopt@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/nopt/-/nopt-4.0.1.tgz#d0d4685afd5415193c8c7505602d0d17cd64474d"
@@ -2038,7 +2064,13 @@ resumer@~0.0.0:
   dependencies:
     through "~2.3.4"
 
-rimraf@2, rimraf@^2.2.8, rimraf@^2.5.1, rimraf@^2.6.1:
+rimraf@2:
+  version "2.7.1"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.7.1.tgz#35797f13a7fdadc566142c29d4f07ccad483e3ec"
+  dependencies:
+    glob "^7.1.3"
+
+rimraf@^2.2.8, rimraf@^2.5.1, rimraf@^2.6.1:
   version "2.6.2"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.2.tgz#2ed8150d24a16ea8651e6d6ef0f47c4158ce7a36"
   dependencies:
@@ -2243,11 +2275,11 @@ tar-pack@^3.4.0:
     uid-number "^0.0.6"
 
 tar@^2.2.1:
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/tar/-/tar-2.2.1.tgz#8e4d2a256c0e2185c6b18ad694aec968b83cb1d1"
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-2.2.2.tgz#0ca8848562c7299b8b446ff6a4d60cdbb23edc40"
   dependencies:
     block-stream "*"
-    fstream "^1.0.2"
+    fstream "^1.0.12"
     inherits "2"
 
 through2@^2.0.0: