diff --git a/example-project/package.json b/example-project/package.json
index 68955779d7..e63b33072c 100644
--- a/example-project/package.json
+++ b/example-project/package.json
@@ -22,7 +22,7 @@
         "css-loader": "^3.2.0",
         "cssnano": "^4.1.7",
         "extract-text-webpack-plugin": "^4.0.0-beta.0",
-        "http-server": "^0.11.1",
+        "http-server": "^0.12.0",
         "postcss-import": "^12.0.1",
         "postcss-loader": "^3.0.0",
         "postcss-preset-env": "^6.5.0",
diff --git a/example-project/webpack.config.js b/example-project/webpack.config.js
index 4f8327fcd8..afac9310fc 100755
--- a/example-project/webpack.config.js
+++ b/example-project/webpack.config.js
@@ -15,7 +15,7 @@ const { resolve, join } = require('path');
 
 const CopyWebpackPlugin = require('copy-webpack-plugin');
 const ExtractTextPlugin = require('extract-text-webpack-plugin');
-const CleanWebpackPlugin = require('clean-webpack-plugin');
+const { CleanWebpackPlugin } = require('clean-webpack-plugin');
 const { BundleAnalyzerPlugin } = require('webpack-bundle-analyzer');
 
 const ENV = process.argv.find((arg) => arg.includes('NODE_ENV=production'))
@@ -45,7 +45,7 @@ const copyStatics = {
  * Plugin configuration
  */
 const plugins = [
-    new CleanWebpackPlugin('dist', {}),
+    new CleanWebpackPlugin(),
     new CopyWebpackPlugin([].concat(copyStatics.copyOthers)),
     new ExtractTextPlugin('[name].bundle.css'),
 ];
diff --git a/example-project/yarn.lock b/example-project/yarn.lock
index b55b87f94f..ad87f698cc 100644
--- a/example-project/yarn.lock
+++ b/example-project/yarn.lock
@@ -428,12 +428,7 @@ async-limiter@~1.0.0:
   resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.1.tgz#dd379e94f0db8310b08291f9d64c3209766617fd"
   integrity sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ==
 
-async@^1.5.2:
-  version "1.5.2"
-  resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
-  integrity sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=
-
-async@^2.4.1:
+async@^2.4.1, async@^2.6.2:
   version "2.6.3"
   resolved "https://registry.yarnpkg.com/async/-/async-2.6.3.tgz#d72625e2344a3656e3a3ad4fa749fa83299d82ff"
   integrity sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==
@@ -481,6 +476,11 @@ base@^0.11.1:
     mixin-deep "^1.2.0"
     pascalcase "^0.1.1"
 
+basic-auth@^1.0.3:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/basic-auth/-/basic-auth-1.1.0.tgz#45221ee429f7ee1e5035be3f51533f1cdfd29884"
+  integrity sha1-RSIe5Cn37h5QNb4/UVM/HN/SmIQ=
+
 bfj@^6.1.1:
   version "6.1.2"
   resolved "https://registry.yarnpkg.com/bfj/-/bfj-6.1.2.tgz#325c861a822bcb358a41c78a33b8e6e2086dde7f"
@@ -868,10 +868,10 @@ color@^3.0.0:
     color-convert "^1.9.1"
     color-string "^1.5.2"
 
-colors@1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/colors/-/colors-1.0.3.tgz#0433f44d809680fdeb60ed260f1b0c262e82a40b"
-  integrity sha1-BDP0TYCWgP3rYO0mDxsMJi6CpAs=
+colors@^1.3.3:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/colors/-/colors-1.4.0.tgz#c50491479d4c1bdaed2c9ced32cf7c7dc2360f78"
+  integrity sha512-a+UqTh4kgZg/SlGvfbzDHpgRu7AAQOmmqRHJnxhRZICKFUT91brVhNNt58CMWU9PsBbv3PDCZUHbVxuDiH2mtA==
 
 commander@^2.18.0, commander@^2.20.0:
   version "2.20.0"
@@ -982,7 +982,7 @@ core-util-is@~1.0.0:
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
   integrity sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=
 
-corser@~2.0.0:
+corser@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/corser/-/corser-2.0.1.tgz#8eda252ecaab5840dcd975ceb90d9370c819ff87"
   integrity sha1-jtolLsqrWEDc2XXOuQ2TcMgZ/4c=
@@ -1257,7 +1257,7 @@ debug@2.6.9, debug@^2.2.0, debug@^2.3.3:
   dependencies:
     ms "2.0.0"
 
-debug@^3.0.0, debug@^3.2.6:
+debug@^3.0.0, debug@^3.1.1, debug@^3.2.6:
   version "3.2.6"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
   integrity sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==
@@ -1423,7 +1423,7 @@ duplexify@^3.4.2, duplexify@^3.6.0:
     readable-stream "^2.0.0"
     stream-shift "^1.0.0"
 
-ecstatic@^3.0.0:
+ecstatic@^3.3.2:
   version "3.3.2"
   resolved "https://registry.yarnpkg.com/ecstatic/-/ecstatic-3.3.2.tgz#6d1dd49814d00594682c652adb66076a69d46c48"
   integrity sha512-fLf9l1hnwrHI2xn9mEDT7KIi22UDqA2jaCwyCbSUJh9a1V+LEUSL/JO/6TIz/QyuBURWUHrFL5Kg2TtO1bkkog==
@@ -2133,7 +2133,7 @@ http-errors@~1.7.2:
     statuses ">= 1.5.0 < 2"
     toidentifier "1.0.0"
 
-http-proxy@^1.8.1:
+http-proxy@^1.17.0:
   version "1.18.0"
   resolved "https://registry.yarnpkg.com/http-proxy/-/http-proxy-1.18.0.tgz#dbe55f63e75a347db7f3d99974f2692a314a6a3a"
   integrity sha512-84I2iJM/n1d4Hdgc6y2+qY5mDaz2PUVjlg9znE9byl+q0uC3DeByqBGReQu5tpLK0TAqTIXScRUV+dg7+bUPpQ==
@@ -2142,19 +2142,21 @@ http-proxy@^1.8.1:
     follow-redirects "^1.0.0"
     requires-port "^1.0.0"
 
-http-server@^0.11.1:
-  version "0.11.1"
-  resolved "https://registry.yarnpkg.com/http-server/-/http-server-0.11.1.tgz#2302a56a6ffef7f9abea0147d838a5e9b6b6a79b"
-  integrity sha512-6JeGDGoujJLmhjiRGlt8yK8Z9Kl0vnl/dQoQZlc4oeqaUoAKQg94NILLfrY3oWzSyFaQCVNTcKE5PZ3cH8VP9w==
-  dependencies:
-    colors "1.0.3"
-    corser "~2.0.0"
-    ecstatic "^3.0.0"
-    http-proxy "^1.8.1"
-    opener "~1.4.0"
-    optimist "0.6.x"
-    portfinder "^1.0.13"
-    union "~0.4.3"
+http-server@^0.12.0:
+  version "0.12.0"
+  resolved "https://registry.yarnpkg.com/http-server/-/http-server-0.12.0.tgz#316b450603c0454d4a462d97a3132808a9858563"
+  integrity sha512-imGLDSTT1BZ0QG1rBFnaZ6weK5jeisUnCxZQI1cpYTdz0luPUM5e3s+WU5zRWEkiI6DQxL2p54oeKrDlzO6bRw==
+  dependencies:
+    basic-auth "^1.0.3"
+    colors "^1.3.3"
+    corser "^2.0.1"
+    ecstatic "^3.3.2"
+    http-proxy "^1.17.0"
+    opener "^1.5.1"
+    optimist "~0.6.1"
+    portfinder "^1.0.20"
+    secure-compare "3.0.1"
+    union "~0.5.0"
 
 https-browserify@^1.0.0:
   version "1.0.0"
@@ -2864,7 +2866,7 @@ mixin-deep@^1.2.0:
     for-in "^1.0.2"
     is-extendable "^1.0.1"
 
-mkdirp@0.5.x, mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.1:
+mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   integrity sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=
@@ -3148,12 +3150,7 @@ opener@^1.5.1:
   resolved "https://registry.yarnpkg.com/opener/-/opener-1.5.1.tgz#6d2f0e77f1a0af0032aca716c2c1fbb8e7e8abed"
   integrity sha512-goYSy5c2UXE4Ra1xixabeVh1guIX/ZV/YokJksb6q2lubWu6UbvPQ20p542/sFIll1nl8JnCyK9oBaOcCWXwvA==
 
-opener@~1.4.0:
-  version "1.4.3"
-  resolved "https://registry.yarnpkg.com/opener/-/opener-1.4.3.tgz#5c6da2c5d7e5831e8ffa3964950f8d6674ac90b8"
-  integrity sha1-XG2ixdflgx6P+jlklQ+NZnSskLg=
-
-optimist@0.6.x:
+optimist@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
   integrity sha1-2j6nRob6IaGaERwybpDrFaAZZoY=
@@ -3373,14 +3370,14 @@ pkg-dir@^3.0.0:
   dependencies:
     find-up "^3.0.0"
 
-portfinder@^1.0.13:
-  version "1.0.24"
-  resolved "https://registry.yarnpkg.com/portfinder/-/portfinder-1.0.24.tgz#11efbc6865f12f37624b6531ead1d809ed965cfa"
-  integrity sha512-ekRl7zD2qxYndYflwiryJwMioBI7LI7rVXg3EnLK3sjkouT5eOuhS3gS255XxBksa30VG8UPZYZCdgfGOfkSUg==
+portfinder@^1.0.20:
+  version "1.0.25"
+  resolved "https://registry.yarnpkg.com/portfinder/-/portfinder-1.0.25.tgz#254fd337ffba869f4b9d37edc298059cb4d35eca"
+  integrity sha512-6ElJnHBbxVA1XSLgBp7G1FiCkQdlqGzuF7DswL5tcea+E8UpuvPU7beVAjjRwCioTS9ZluNbu+ZyRvgTsmqEBg==
   dependencies:
-    async "^1.5.2"
-    debug "^2.2.0"
-    mkdirp "0.5.x"
+    async "^2.6.2"
+    debug "^3.1.1"
+    mkdirp "^0.5.1"
 
 posix-character-classes@^0.1.0:
   version "0.1.1"
@@ -4117,10 +4114,10 @@ qs@6.7.0:
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.7.0.tgz#41dc1a015e3d581f1621776be31afb2876a9b1bc"
   integrity sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ==
 
-qs@~2.3.3:
-  version "2.3.3"
-  resolved "https://registry.yarnpkg.com/qs/-/qs-2.3.3.tgz#e9e85adbe75da0bbe4c8e0476a086290f863b404"
-  integrity sha1-6eha2+ddoLvkyOBHaghikPhjtAQ=
+qs@^6.4.0:
+  version "6.9.1"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.9.1.tgz#20082c65cb78223635ab1a9eaca8875a29bf8ec9"
+  integrity sha512-Cxm7/SS/y/Z3MHWSxXb8lIFqgqBowP5JMlTUFyJN88y0SGQhVmZnqFK/PeuMX9LzUyWsqqhNxIyg0jlzq946yA==
 
 querystring-es3@^0.2.0:
   version "0.2.1"
@@ -4353,13 +4350,18 @@ schema-utils@^1.0.0:
     ajv-keywords "^3.1.0"
 
 schema-utils@^2.0.0, schema-utils@^2.0.1:
-  version "2.6.0"
-  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-2.6.0.tgz#68a259aabbef9d08d1252c2e63c398e476308e80"
-  integrity sha512-UlPB1ME4i/71cih/Rv92gK8043CrJTc2mjkyxDp4pdJ7ZfzY0g0hdGjjDB23jX3X+NXSneCdQbScGhn6K2tbpQ==
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-2.5.0.tgz#8f254f618d402cc80257486213c8970edfd7c22f"
+  integrity sha512-32ISrwW2scPXHUSusP8qMg5dLUawKkyV+/qIEV9JdXKx+rsM6mi8vZY8khg2M69Qom16rtroWXD3Ybtiws38gQ==
   dependencies:
     ajv "^6.10.2"
     ajv-keywords "^3.4.1"
 
+secure-compare@3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/secure-compare/-/secure-compare-3.0.1.tgz#f1a0329b308b221fae37b9974f3d578d0ca999e3"
+  integrity sha1-8aAymzCLIh+uN7mXTz1XjQypmeM=
+
 semver@^5.3.0, semver@^5.5.0, semver@^5.6.0:
   version "5.7.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
@@ -4876,12 +4878,12 @@ union-value@^1.0.0:
     is-extendable "^0.1.1"
     set-value "^2.0.1"
 
-union@~0.4.3:
-  version "0.4.6"
-  resolved "https://registry.yarnpkg.com/union/-/union-0.4.6.tgz#198fbdaeba254e788b0efcb630bc11f24a2959e0"
-  integrity sha1-GY+9rrolTniLDvy2MLwR8kopWeA=
+union@~0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/union/-/union-0.5.0.tgz#b2c11be84f60538537b846edb9ba266ba0090075"
+  integrity sha512-N6uOhuW6zO95P3Mel2I2zMsbsanvvtgn6jVqJv4vbVcz/JN0OkL9suomjQGmWtxJQXOCqUJvquc1sMeNz/IwlA==
   dependencies:
-    qs "~2.3.3"
+    qs "^6.4.0"
 
 uniq@^1.0.1:
   version "1.0.1"