diff --git a/.test/yarn.lock b/.test/yarn.lock
index f7e2cfe0..1089684c 100644
--- a/.test/yarn.lock
+++ b/.test/yarn.lock
@@ -135,7 +135,7 @@ atob@~1.1.0:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/atob/-/atob-1.1.3.tgz#95f13629b12c3a51a5d215abdce2aa9f32f80773"
 
-autoprefixer@^6.0.0, autoprefixer@^6.7.4:
+autoprefixer@^6.0.0:
   version "6.7.4"
   resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-6.7.4.tgz#b4405a263325c04a7c2b1c86fc603ad7bbfe01c6"
   dependencies:
@@ -146,6 +146,17 @@ autoprefixer@^6.0.0, autoprefixer@^6.7.4:
     postcss "^5.2.14"
     postcss-value-parser "^3.2.3"
 
+autoprefixer@~6.7.4:
+  version "6.7.7"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-6.7.7.tgz#1dbd1c835658e35ce3f9984099db00585c782014"
+  dependencies:
+    browserslist "^1.7.6"
+    caniuse-db "^1.0.30000634"
+    normalize-range "^0.1.2"
+    num2fraction "^1.2.2"
+    postcss "^5.2.16"
+    postcss-value-parser "^3.2.3"
+
 aws-sign2@~0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.6.0.tgz#14342dd38dbcc94d0e5b87d763cd63612c0e794f"
@@ -208,6 +219,13 @@ browserslist@^1.7.4:
     caniuse-db "^1.0.30000624"
     electron-to-chromium "^1.2.2"
 
+browserslist@^1.7.6:
+  version "1.7.7"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-1.7.7.tgz#0bd76704258be829b2398bb50e4b62d1a166b0b9"
+  dependencies:
+    caniuse-db "^1.0.30000639"
+    electron-to-chromium "^1.2.7"
+
 buffer-shims@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/buffer-shims/-/buffer-shims-1.0.0.tgz#9978ce317388c649ad8793028c3477ef044a8b51"
@@ -249,6 +267,10 @@ caniuse-db@^1.0.30000624:
   version "1.0.30000624"
   resolved "https://registry.yarnpkg.com/caniuse-db/-/caniuse-db-1.0.30000624.tgz#554b87547895e36f5fe128f4b7448a2ea5bf2213"
 
+caniuse-db@^1.0.30000634, caniuse-db@^1.0.30000639:
+  version "1.0.30001227"
+  resolved "https://registry.yarnpkg.com/caniuse-db/-/caniuse-db-1.0.30001227.tgz#e0dcb9bd94eeac49b9411110e18de3935be657ac"
+
 caseless@~0.11.0:
   version "0.11.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.11.0.tgz#715b96ea9841593cc33067923f5ec60ebda4f7d7"
@@ -557,6 +579,10 @@ electron-to-chromium@^1.2.2:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.2.2.tgz#e41bc9488c88e3cfa1e94bde28e8420d7d47c47c"
 
+electron-to-chromium@^1.2.7:
+  version "1.3.734"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.734.tgz#c8d318a4eb27509190cf3a08870dbcbf06c74dcb"
+
 end-of-stream@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.0.0.tgz#d4596e702734a93e40e9af864319eabd99ff2f0e"
@@ -1140,7 +1166,7 @@ gulp-plumber@~1.1.0:
     gulp-util "^3"
     through2 "^2"
 
-gulp-postcss@^6.3.0:
+gulp-postcss@~6.3.0:
   version "6.3.0"
   resolved "https://registry.yarnpkg.com/gulp-postcss/-/gulp-postcss-6.3.0.tgz#33ee9723e59c302f33d707fc4b7398b10f032bff"
   dependencies:
@@ -1149,12 +1175,6 @@ gulp-postcss@^6.3.0:
     postcss-load-config "^1.1.0"
     vinyl-sourcemaps-apply "^0.2.1"
 
-gulp-sass-error@~1.0.2:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/gulp-sass-error/-/gulp-sass-error-1.0.2.tgz#f89400ac7b13bd5cb4c820ddee7bbb751f905386"
-  dependencies:
-    gulp-util "^3.0.7"
-
 gulp-sass-lint@~1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/gulp-sass-lint/-/gulp-sass-lint-1.3.2.tgz#642094c5fe9b9196872f33a0d1f75ccf51cb8361"
@@ -1173,7 +1193,7 @@ gulp-sass@~3.1.0:
     through2 "^2.0.0"
     vinyl-sourcemaps-apply "^0.2.0"
 
-gulp-sourcemaps@^2.4.1:
+gulp-sourcemaps@~2.4.1:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/gulp-sourcemaps/-/gulp-sourcemaps-2.4.1.tgz#8f65dc5c0d07b2fd5c88bc60ec7f13e56716bf74"
   dependencies:
@@ -1188,7 +1208,7 @@ gulp-sourcemaps@^2.4.1:
     through2 "2.X"
     vinyl "1.X"
 
-gulp-util@*, gulp-util@^3, gulp-util@^3.0, gulp-util@^3.0.0, gulp-util@^3.0.6, gulp-util@^3.0.7, gulp-util@^3.0.8, gulp-util@~3.0.8:
+gulp-util@*, gulp-util@^3, gulp-util@^3.0, gulp-util@^3.0.0, gulp-util@^3.0.6, gulp-util@^3.0.8, gulp-util@~3.0.8:
   version "3.0.8"
   resolved "https://registry.yarnpkg.com/gulp-util/-/gulp-util-3.0.8.tgz#0054e1e744502e27c04c187c3ecc505dd54bbb4f"
   dependencies:
@@ -1865,8 +1885,8 @@ merge-stream@^1.0.0:
     readable-stream "^2.0.1"
 
 merge@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/merge/-/merge-1.2.0.tgz#7531e39d4949c281a66b8c5a6e0265e8b05894da"
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/merge/-/merge-1.2.1.tgz#38bebf80c3220a8a487b6fcfb3941bb11720c145"
 
 micromatch@^2.3.11, micromatch@^2.3.7:
   version "2.3.11"
@@ -2307,6 +2327,15 @@ postcss@^5.2.10, postcss@^5.2.14:
     source-map "^0.5.6"
     supports-color "^3.2.3"
 
+postcss@^5.2.16:
+  version "5.2.18"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-5.2.18.tgz#badfa1497d46244f6390f58b319830d9107853c5"
+  dependencies:
+    chalk "^1.1.3"
+    js-base64 "^2.1.9"
+    source-map "^0.5.6"
+    supports-color "^3.2.3"
+
 prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"