diff --git a/package.json b/package.json
index 00a34972..f3e52177 100644
--- a/package.json
+++ b/package.json
@@ -70,15 +70,15 @@
     "babel-plugin-transform-builtin-extend": "^1.1.0",
     "babel-runtime": "^6.23.0",
     "cross-env": "^5.0.2",
-    "css-loader": "^0.28.4",
+    "css-loader": "^0.28.7",
     "deep-equal": "^1.0.1",
     "enzyme": "^2.4.1",
     "eslint": "^3.7.1",
     "eslint-config-netlify": "github:netlify/eslint-config-netlify",
     "eslint-import-resolver-webpack": "^0.8.3",
     "exports-loader": "^0.6.4",
-    "extract-text-webpack-plugin": "^2.1.2",
-    "file-loader": "^0.11.2",
+    "extract-text-webpack-plugin": "^3.0.0",
+    "file-loader": "^1.1.4",
     "identity-obj-proxy": "^3.0.0",
     "imports-loader": "^0.7.1",
     "jest": "^20.0.4",
@@ -99,8 +99,8 @@
     "stylelint-declaration-block-order": "^0.1.0",
     "stylelint-declaration-use-variable": "^1.6.0",
     "url-loader": "^0.5.9",
-    "webpack": "^2.6.1",
-    "webpack-dev-server": "^2.4.5",
+    "webpack": "^3.6.0",
+    "webpack-dev-server": "^2.9.1",
     "webpack-merge": "^4.1.0",
     "webpack-postcss-tools": "^1.1.1"
   },
diff --git a/yarn.lock b/yarn.lock
index f7986099..f68c4cce 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -127,10 +127,14 @@ airbnb-js-shims@^1.0.0:
     string.prototype.padend "^3.0.0"
     string.prototype.padstart "^3.0.0"
 
-ajv-keywords@^1.0.0, ajv-keywords@^1.1.1:
+ajv-keywords@^1.0.0:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-1.5.1.tgz#314dd0a4b3368fad3dfcdc54ede6171b886daf3c"
 
+ajv-keywords@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-2.1.0.tgz#a296e17f7bfae7c1ce4f7e0de53d29cb32162df0"
+
 ajv@^4.7.0, ajv@^4.9.1:
   version "4.11.8"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-4.11.8.tgz#82ffb02b29e662ae53bdc20af15947706739c536"
@@ -147,6 +151,15 @@ ajv@^5.0.0:
     json-schema-traverse "^0.3.0"
     json-stable-stringify "^1.0.1"
 
+ajv@^5.1.5:
+  version "5.2.3"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.2.3.tgz#c06f598778c44c6b161abafe3466b81ad1814ed2"
+  dependencies:
+    co "^4.6.0"
+    fast-deep-equal "^1.0.0"
+    json-schema-traverse "^0.3.0"
+    json-stable-stringify "^1.0.1"
+
 align-text@^0.1.1, align-text@^0.1.3:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/align-text/-/align-text-0.1.4.tgz#0cd90a561093f35d0a99256c22b7069433fad117"
@@ -364,7 +377,7 @@ async@^1.3.0, async@^1.4.0, async@^1.5.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
 
-async@^2.0.0-rc.1, async@^2.1.2, async@^2.1.4, async@^2.1.5:
+async@^2.0.0-rc.1, async@^2.1.2, async@^2.1.4, async@^2.1.5, async@^2.4.1:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/async/-/async-2.5.0.tgz#843190fd6b7357a0b9e1c956edddd5ec8462b54d"
   dependencies:
@@ -1441,7 +1454,7 @@ camelcase@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-3.0.0.tgz#32fc4b9fcdaf845fcdf7e73bb97cac2261f0ab0a"
 
-camelcase@^4.0.0:
+camelcase@^4.0.0, camelcase@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
 
@@ -2014,9 +2027,9 @@ css-in-js-utils@^1.0.3:
   dependencies:
     hyphenate-style-name "^1.0.2"
 
-css-loader@^0.28.4:
-  version "0.28.5"
-  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-0.28.5.tgz#dd02bb91b94545710212ef7f6aaa66663113d754"
+css-loader@^0.28.7:
+  version "0.28.7"
+  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-0.28.7.tgz#5f2ee989dd32edd907717f953317656160999c1b"
   dependencies:
     babel-code-frame "^6.11.0"
     css-selector-tokenizer "^0.7.0"
@@ -2482,7 +2495,7 @@ encoding@^0.1.11:
   dependencies:
     iconv-lite "~0.4.13"
 
-enhanced-resolve@^3.3.0:
+enhanced-resolve@^3.4.0:
   version "3.4.1"
   resolved "https://registry.yarnpkg.com/enhanced-resolve/-/enhanced-resolve-3.4.1.tgz#0421e339fd71419b3da13d129b3979040230476e"
   dependencies:
@@ -3002,12 +3015,12 @@ extglob@^0.3.1:
   dependencies:
     is-extglob "^1.0.0"
 
-extract-text-webpack-plugin@^2.1.2:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/extract-text-webpack-plugin/-/extract-text-webpack-plugin-2.1.2.tgz#756ef4efa8155c3681833fbc34da53b941746d6c"
+extract-text-webpack-plugin@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/extract-text-webpack-plugin/-/extract-text-webpack-plugin-3.0.0.tgz#90caa7907bc449f335005e3ac7532b41b00de612"
   dependencies:
-    async "^2.1.2"
-    loader-utils "^1.0.2"
+    async "^2.4.1"
+    loader-utils "^1.1.0"
     schema-utils "^0.3.0"
     webpack-sources "^1.0.1"
 
@@ -3092,11 +3105,12 @@ file-entry-cache@^2.0.0:
     flat-cache "^1.2.1"
     object-assign "^4.0.1"
 
-file-loader@^0.11.2:
-  version "0.11.2"
-  resolved "https://registry.yarnpkg.com/file-loader/-/file-loader-0.11.2.tgz#4ff1df28af38719a6098093b88c82c71d1794a34"
+file-loader@^1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/file-loader/-/file-loader-1.1.4.tgz#5ca9384adfafe008077c3439a435b2781a889ef5"
   dependencies:
     loader-utils "^1.0.2"
+    schema-utils "^0.3.0"
 
 filename-regex@^2.0.0:
   version "2.0.1"
@@ -3158,7 +3172,7 @@ find-up@^1.0.0:
     path-exists "^2.0.0"
     pinkie-promise "^2.0.0"
 
-find-up@^2.1.0:
+find-up@^2.0.0, find-up@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/find-up/-/find-up-2.1.0.tgz#45d1b7e506c717ddd482775a2b77920a3c0c57a7"
   dependencies:
@@ -3961,7 +3975,7 @@ inquirer@^3.0.1:
     strip-ansi "^4.0.0"
     through "^2.3.6"
 
-internal-ip@^1.2.0:
+internal-ip@1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/internal-ip/-/internal-ip-1.2.0.tgz#ae9fbf93b984878785d50a8de1b356956058cf5c"
   dependencies:
@@ -4296,6 +4310,10 @@ is-word-character@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-word-character/-/is-word-character-1.0.1.tgz#5a03fa1ea91ace8a6eb0c7cd770eb86d65c8befb"
 
+is-wsl@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-wsl/-/is-wsl-1.1.0.tgz#1f16e4aa22b04d1336b66188a66af3c600c3a66d"
+
 isarray@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
@@ -4914,6 +4932,15 @@ load-json-file@^1.0.0:
     pinkie-promise "^2.0.0"
     strip-bom "^2.0.0"
 
+load-json-file@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-2.0.0.tgz#7947e42149af80d696cbf797bcaabcfe1fe29ca8"
+  dependencies:
+    graceful-fs "^4.1.2"
+    parse-json "^2.2.0"
+    pify "^2.0.0"
+    strip-bom "^3.0.0"
+
 loader-runner@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/loader-runner/-/loader-runner-2.3.0.tgz#f482aea82d543e07921700d5a46ef26fdac6b8a2"
@@ -5257,6 +5284,12 @@ media-typer@0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
 
+mem@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/mem/-/mem-1.1.0.tgz#5edd52b485ca1d900fe64895505399a0dfa45f76"
+  dependencies:
+    mimic-fn "^1.0.0"
+
 memory-fs@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/memory-fs/-/memory-fs-0.2.0.tgz#f2bb25368bc121e391c2520de92969caee0a0290"
@@ -5863,12 +5896,11 @@ onetime@^2.0.0:
   dependencies:
     mimic-fn "^1.0.0"
 
-opn@4.0.2:
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/opn/-/opn-4.0.2.tgz#7abc22e644dff63b0a96d5ab7f2790c0f01abc95"
+opn@^5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/opn/-/opn-5.1.0.tgz#72ce2306a17dbea58ff1041853352b4a8fc77519"
   dependencies:
-    object-assign "^4.0.1"
-    pinkie-promise "^2.0.0"
+    is-wsl "^1.1.0"
 
 optimist@^0.6.1, optimist@~0.6.0:
   version "0.6.1"
@@ -5917,6 +5949,14 @@ os-locale@^1.4.0:
   dependencies:
     lcid "^1.0.0"
 
+os-locale@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/os-locale/-/os-locale-2.1.0.tgz#42bc2900a6b5b8bd17376c8e882b65afccf24bf2"
+  dependencies:
+    execa "^0.7.0"
+    lcid "^1.0.0"
+    mem "^1.1.0"
+
 os-tmpdir@^1.0.0, os-tmpdir@^1.0.1, os-tmpdir@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
@@ -6071,6 +6111,12 @@ path-type@^1.0.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
+path-type@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/path-type/-/path-type-2.0.0.tgz#f012ccb8415b7096fc2daa1054c3d72389594c73"
+  dependencies:
+    pify "^2.0.0"
+
 pbkdf2-compat@2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/pbkdf2-compat/-/pbkdf2-compat-2.0.1.tgz#b6e0c8fa99494d94e0511575802a59a5c142f288"
@@ -7182,6 +7228,13 @@ read-pkg-up@^1.0.1:
     find-up "^1.0.0"
     read-pkg "^1.0.0"
 
+read-pkg-up@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-2.0.0.tgz#6b72a8048984e0c41e79510fd5e9fa99b3b549be"
+  dependencies:
+    find-up "^2.0.0"
+    read-pkg "^2.0.0"
+
 read-pkg@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-1.1.0.tgz#f5ffaa5ecd29cb31c0474bca7d756b6bb29e3f28"
@@ -7190,6 +7243,14 @@ read-pkg@^1.0.0:
     normalize-package-data "^2.3.2"
     path-type "^1.0.0"
 
+read-pkg@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-2.0.0.tgz#8ef1c0623c6a6db0dc6713c4bfac46332b2368f8"
+  dependencies:
+    load-json-file "^2.0.0"
+    normalize-package-data "^2.3.2"
+    path-type "^2.0.0"
+
 "readable-stream@>=1.0.33-1 <1.1.0-0":
   version "1.0.34"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
@@ -8378,7 +8439,7 @@ supports-color@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
 
-supports-color@^3.1.0, supports-color@^3.1.1, supports-color@^3.1.2, supports-color@^3.2.3:
+supports-color@^3.1.0, supports-color@^3.1.2, supports-color@^3.2.3:
   version "3.2.3"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-3.2.3.tgz#65ac0504b3954171d8a64946b2ae3cbb8a5f54f6"
   dependencies:
@@ -8446,7 +8507,7 @@ tapable@^0.1.8, tapable@~0.1.8:
   version "0.1.10"
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-0.1.10.tgz#29c35707c2b70e50d07482b5d202e8ed446dafd4"
 
-tapable@^0.2.7, tapable@~0.2.5:
+tapable@^0.2.7:
   version "0.2.8"
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-0.2.8.tgz#99372a5c999bf2df160afc0d74bed4f47948cd22"
 
@@ -8661,7 +8722,7 @@ ua-parser-js@^0.7.9:
   version "0.7.14"
   resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.14.tgz#110d53fa4c3f326c121292bbeac904d2e03387ca"
 
-uglify-js@^2.6, uglify-js@^2.8.27:
+uglify-js@^2.6, uglify-js@^2.8.29:
   version "2.8.29"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.29.tgz#29c5733148057bb4e1f75df35b7a9cb72e6a59dd"
   dependencies:
@@ -8683,6 +8744,14 @@ uglify-to-browserify@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz#6e0924d6bda6b5afe349e39a6d632850a0f882b7"
 
+uglifyjs-webpack-plugin@^0.4.6:
+  version "0.4.6"
+  resolved "https://registry.yarnpkg.com/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-0.4.6.tgz#b951f4abb6bd617e66f63eb891498e391763e309"
+  dependencies:
+    source-map "^0.5.6"
+    uglify-js "^2.8.29"
+    webpack-sources "^1.0.1"
+
 uid-number@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/uid-number/-/uid-number-0.0.6.tgz#0ea10e8035e8eb5b8e4449f06da1c730663baa81"
@@ -8963,7 +9032,7 @@ watchpack@^0.2.1:
     chokidar "^1.0.0"
     graceful-fs "^4.1.2"
 
-watchpack@^1.3.1:
+watchpack@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-1.4.0.tgz#4a1472bcbb952bd0a9bb4036801f954dfb39faac"
   dependencies:
@@ -9002,11 +9071,12 @@ webpack-dev-middleware@^1.11.0, webpack-dev-middleware@^1.6.0:
     range-parser "^1.0.3"
     time-stamp "^2.0.0"
 
-webpack-dev-server@^2.4.5:
-  version "2.7.1"
-  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-2.7.1.tgz#21580f5a08cd065c71144cf6f61c345bca59a8b8"
+webpack-dev-server@^2.9.1:
+  version "2.9.1"
+  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-2.9.1.tgz#7ac9320b61b00eb65b2109f15c82747fc5b93585"
   dependencies:
     ansi-html "0.0.7"
+    array-includes "^3.0.3"
     bonjour "^3.5.0"
     chokidar "^1.6.0"
     compression "^1.5.2"
@@ -9015,20 +9085,20 @@ webpack-dev-server@^2.4.5:
     express "^4.13.3"
     html-entities "^1.2.0"
     http-proxy-middleware "~0.17.4"
-    internal-ip "^1.2.0"
+    internal-ip "1.2.0"
     ip "^1.1.5"
     loglevel "^1.4.1"
-    opn "4.0.2"
+    opn "^5.1.0"
     portfinder "^1.0.9"
     selfsigned "^1.9.1"
     serve-index "^1.7.2"
     sockjs "0.3.18"
     sockjs-client "1.1.4"
     spdy "^3.4.1"
-    strip-ansi "^3.0.0"
-    supports-color "^3.1.1"
+    strip-ansi "^3.0.1"
+    supports-color "^4.2.1"
     webpack-dev-middleware "^1.11.0"
-    yargs "^6.0.0"
+    yargs "^6.6.0"
 
 webpack-hot-middleware@^2.10.0:
   version "2.18.2"
@@ -9080,31 +9150,32 @@ webpack@^1.12.11:
     watchpack "^0.2.1"
     webpack-core "~0.6.9"
 
-webpack@^2.6.1:
-  version "2.7.0"
-  resolved "https://registry.yarnpkg.com/webpack/-/webpack-2.7.0.tgz#b2a1226804373ffd3d03ea9c6bd525067034f6b1"
+webpack@^3.6.0:
+  version "3.6.0"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-3.6.0.tgz#a89a929fbee205d35a4fa2cc487be9cbec8898bc"
   dependencies:
     acorn "^5.0.0"
     acorn-dynamic-import "^2.0.0"
-    ajv "^4.7.0"
-    ajv-keywords "^1.1.1"
+    ajv "^5.1.5"
+    ajv-keywords "^2.0.0"
     async "^2.1.2"
-    enhanced-resolve "^3.3.0"
+    enhanced-resolve "^3.4.0"
+    escope "^3.6.0"
     interpret "^1.0.0"
     json-loader "^0.5.4"
     json5 "^0.5.1"
     loader-runner "^2.3.0"
-    loader-utils "^0.2.16"
+    loader-utils "^1.1.0"
     memory-fs "~0.4.1"
     mkdirp "~0.5.0"
     node-libs-browser "^2.0.0"
     source-map "^0.5.3"
-    supports-color "^3.1.0"
-    tapable "~0.2.5"
-    uglify-js "^2.8.27"
-    watchpack "^1.3.1"
+    supports-color "^4.2.1"
+    tapable "^0.2.7"
+    uglifyjs-webpack-plugin "^0.4.6"
+    watchpack "^1.4.0"
     webpack-sources "^1.0.1"
-    yargs "^6.0.0"
+    yargs "^8.0.2"
 
 websocket-driver@>=0.5.1:
   version "0.6.5"
@@ -9141,6 +9212,10 @@ which-module@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-1.0.0.tgz#bba63ca861948994ff307736089e3b96026c2a4f"
 
+which-module@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
+
 which@1, which@^1.2.10, which@^1.2.12, which@^1.2.8, which@^1.2.9:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/which/-/which-1.3.0.tgz#ff04bdfc010ee547d780bec38e1ac1c2777d253a"
@@ -9266,6 +9341,12 @@ yargs-parser@^5.0.0:
   dependencies:
     camelcase "^3.0.0"
 
+yargs-parser@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-7.0.0.tgz#8d0ac42f16ea55debd332caf4c4038b3e3f5dfd9"
+  dependencies:
+    camelcase "^4.1.0"
+
 yargs@^1.2.6:
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-1.3.3.tgz#054de8b61f22eefdb7207059eaef9d6b83fb931a"
@@ -9301,7 +9382,7 @@ yargs@^4.7.0:
     y18n "^3.2.1"
     yargs-parser "^2.4.1"
 
-yargs@^6.0.0:
+yargs@^6.0.0, yargs@^6.6.0:
   version "6.6.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-6.6.0.tgz#782ec21ef403345f830a808ca3d513af56065208"
   dependencies:
@@ -9337,6 +9418,24 @@ yargs@^7.0.0, yargs@^7.0.2:
     y18n "^3.2.1"
     yargs-parser "^5.0.0"
 
+yargs@^8.0.2:
+  version "8.0.2"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-8.0.2.tgz#6299a9055b1cefc969ff7e79c1d918dceb22c360"
+  dependencies:
+    camelcase "^4.1.0"
+    cliui "^3.2.0"
+    decamelize "^1.1.1"
+    get-caller-file "^1.0.1"
+    os-locale "^2.0.0"
+    read-pkg-up "^2.0.0"
+    require-directory "^2.1.1"
+    require-main-filename "^1.0.1"
+    set-blocking "^2.0.0"
+    string-width "^2.0.0"
+    which-module "^2.0.0"
+    y18n "^3.2.1"
+    yargs-parser "^7.0.0"
+
 yargs@~3.10.0:
   version "3.10.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"