diff --git a/package.json b/package.json
index 209c19e..838b863 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "postcss-mixins": "6.2.0",
     "postcss-nested": "4.1.0",
     "postcss-normalize": "7.0.1",
-    "postcss-preset-env": "6.1.1",
+    "postcss-preset-env": "6.1.2",
     "postcss-utilities": "0.8.0"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 6e0d1cc..28c54c3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -257,13 +257,13 @@ browserslist@^4.1.0, browserslist@^4.1.1:
     electron-to-chromium "^1.3.62"
     node-releases "^1.0.0-alpha.11"
 
-browserslist@^4.2.0:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.2.0.tgz#3e5e5edf7fa9758ded0885cf88c1e4be753a591c"
+browserslist@^4.2.1:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.2.1.tgz#257a24c879d1cd4016348eee5c25de683260b21d"
   dependencies:
-    caniuse-lite "^1.0.30000889"
-    electron-to-chromium "^1.3.73"
-    node-releases "^1.0.0-alpha.12"
+    caniuse-lite "^1.0.30000890"
+    electron-to-chromium "^1.3.79"
+    node-releases "^1.0.0-alpha.14"
 
 cache-base@^1.0.1:
   version "1.0.1"
@@ -295,10 +295,14 @@ caniuse-lite@^1.0.30000884:
   version "1.0.30000885"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000885.tgz#e889e9f8e7e50e769f2a49634c932b8aee622984"
 
-caniuse-lite@^1.0.30000889, caniuse-lite@^1.0.30000890:
+caniuse-lite@^1.0.30000890:
   version "1.0.30000890"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000890.tgz#86a18ffcc65d79ec6a437e985761b8bf1c4efeaf"
 
+caniuse-lite@^1.0.30000893:
+  version "1.0.30000893"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000893.tgz#284b20932bd41b93e21626975f2050cb01561986"
+
 chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.4.1:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.1.tgz#18c49ab16a037b6eb0152cc83e3471338215b66e"
@@ -487,9 +491,9 @@ electron-to-chromium@^1.3.62:
   version "1.3.70"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.70.tgz#ded377256d92d81b4257d36c65aa890274afcfd2"
 
-electron-to-chromium@^1.3.73:
-  version "1.3.73"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.73.tgz#aa67787067d58cc3920089368b3b8d6fe0fc12f6"
+electron-to-chromium@^1.3.79:
+  version "1.3.80"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.80.tgz#e99ec7efe64c2c6a269d3885ff411ea88852fa53"
 
 error-ex@^1.3.1:
   version "1.3.2"
@@ -1203,9 +1207,9 @@ node-releases@^1.0.0-alpha.11:
   dependencies:
     semver "^5.3.0"
 
-node-releases@^1.0.0-alpha.12:
-  version "1.0.0-alpha.12"
-  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.0.0-alpha.12.tgz#32e461b879ea76ac674e511d9832cf29da345268"
+node-releases@^1.0.0-alpha.14:
+  version "1.0.0-alpha.14"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.0.0-alpha.14.tgz#da9e2780add4bbb59ad890af9e2018a1d9c0034b"
   dependencies:
     semver "^5.3.0"
 
@@ -1459,9 +1463,9 @@ postcss-color-rebeccapurple@^4.0.1:
     postcss "^7.0.2"
     postcss-values-parser "^2.0.0"
 
-postcss-custom-media@^7.0.6:
-  version "7.0.6"
-  resolved "https://registry.yarnpkg.com/postcss-custom-media/-/postcss-custom-media-7.0.6.tgz#c6b00ff7fee6ddc7dfdd946d66ed65e7743db09b"
+postcss-custom-media@^7.0.7:
+  version "7.0.7"
+  resolved "https://registry.yarnpkg.com/postcss-custom-media/-/postcss-custom-media-7.0.7.tgz#bbc698ed3089ded61aad0f5bfb1fb48bf6969e73"
   dependencies:
     postcss "^7.0.5"
 
@@ -1645,13 +1649,13 @@ postcss-place@^4.0.1:
     postcss "^7.0.2"
     postcss-values-parser "^2.0.0"
 
-postcss-preset-env@6.1.1:
-  version "6.1.1"
-  resolved "https://registry.yarnpkg.com/postcss-preset-env/-/postcss-preset-env-6.1.1.tgz#c2c8038c3bdedb6b80cfc10f05ba90ff4612972a"
+postcss-preset-env@6.1.2:
+  version "6.1.2"
+  resolved "https://registry.yarnpkg.com/postcss-preset-env/-/postcss-preset-env-6.1.2.tgz#8c867223d880c3edab48429cd19c5e898a591335"
   dependencies:
     autoprefixer "^9.1.5"
-    browserslist "^4.2.0"
-    caniuse-lite "^1.0.30000890"
+    browserslist "^4.2.1"
+    caniuse-lite "^1.0.30000893"
     cssdb "^3.2.1"
     postcss "^7.0.5"
     postcss-attribute-case-insensitive "^4.0.0"
@@ -1660,7 +1664,7 @@ postcss-preset-env@6.1.1:
     postcss-color-hex-alpha "^5.0.2"
     postcss-color-mod-function "^3.0.3"
     postcss-color-rebeccapurple "^4.0.1"
-    postcss-custom-media "^7.0.6"
+    postcss-custom-media "^7.0.7"
     postcss-custom-properties "^8.0.8"
     postcss-custom-selectors "^5.1.2"
     postcss-dir-pseudo-class "^5.0.0"