diff --git a/package.json b/package.json
index 7c92a59..8ff3330 100644
--- a/package.json
+++ b/package.json
@@ -106,7 +106,7 @@
     "vue-test-utils": "^1.0.0-beta.1",
     "webpack": "^3.10.0",
     "webpack-bundle-analyzer": "^2.9.1",
-    "webpack-dev-middleware": "^1.10.0",
+    "webpack-dev-middleware": "^2.0.4",
     "webpack-hot-middleware": "^2.21.0",
     "webpack-merge": "^4.1.1"
   },
diff --git a/yarn.lock b/yarn.lock
index 8fe4f73..24313e1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1292,7 +1292,7 @@ chalk@^1.0.0, chalk@^1.1.1, chalk@^1.1.3:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
-chalk@^2.0.0, chalk@^2.3.0:
+chalk@^2.0.0, chalk@^2.0.1, chalk@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.3.0.tgz#b5ea48efc9c1793dccc9b4767c93914d3f2d52ba"
   dependencies:
@@ -4008,6 +4008,12 @@ log-symbols@^1.0.2:
   dependencies:
     chalk "^1.0.0"
 
+log-symbols@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/log-symbols/-/log-symbols-2.1.0.tgz#f35fa60e278832b538dc4dddcbb478a45d3e3be6"
+  dependencies:
+    chalk "^2.0.1"
+
 log4js@^0.6.31:
   version "0.6.38"
   resolved "https://registry.yarnpkg.com/log4js/-/log4js-0.6.38.tgz#2c494116695d6fb25480943d3fc872e662a522fd"
@@ -4015,6 +4021,10 @@ log4js@^0.6.31:
     readable-stream "~1.0.2"
     semver "~4.3.3"
 
+loglevelnext@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/loglevelnext/-/loglevelnext-1.0.2.tgz#eb81a7ac45ca5749ee0e40d75c5d3d2f7cb7705d"
+
 lolex@^1.6.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/lolex/-/lolex-1.6.0.tgz#3a9a0283452a47d7439e72731b9e07d7386e49f6"
@@ -4037,7 +4047,7 @@ loose-envify@^1.0.0:
   dependencies:
     js-tokens "^3.0.0"
 
-loud-rejection@^1.0.0:
+loud-rejection@^1.0.0, loud-rejection@^1.6.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/loud-rejection/-/loud-rejection-1.6.0.tgz#5b46f80147edee578870f086d04821cf998e551f"
   dependencies:
@@ -4175,6 +4185,10 @@ mime@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.4.1.tgz#121f9ebc49e3766f311a76e1fa1c8003c4b03aa6"
 
+mime@^2.1.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-2.2.0.tgz#161e541965551d3b549fa1114391e3a3d55b923b"
+
 mimic-fn@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-1.1.0.tgz#e667783d92e89dbd342818b5230b9d62a672ad18"
@@ -6361,6 +6375,10 @@ upper-case@^1.1.1:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/upper-case/-/upper-case-1.1.3.tgz#f6b4501c2ec4cdd26ba78be7222961de77621598"
 
+url-join@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/url-join/-/url-join-2.0.2.tgz#c072756967ad24b8b59e5741551caac78f50b8b7"
+
 url-loader@^0.6.2:
   version "0.6.2"
   resolved "https://registry.yarnpkg.com/url-loader/-/url-loader-0.6.2.tgz#a007a7109620e9d988d14bce677a1decb9a993f7"
@@ -6530,7 +6548,7 @@ webpack-bundle-analyzer@^2.9.1:
     opener "^1.4.3"
     ws "^3.3.1"
 
-webpack-dev-middleware@^1.10.0, webpack-dev-middleware@^1.12.0:
+webpack-dev-middleware@^1.12.0:
   version "1.12.0"
   resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-1.12.0.tgz#d34efefb2edda7e1d3b5dbe07289513219651709"
   dependencies:
@@ -6540,6 +6558,18 @@ webpack-dev-middleware@^1.10.0, webpack-dev-middleware@^1.12.0:
     range-parser "^1.0.3"
     time-stamp "^2.0.0"
 
+webpack-dev-middleware@^2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-2.0.4.tgz#7d8943a609121021bb72772a41636e229346cb41"
+  dependencies:
+    loud-rejection "^1.6.0"
+    memory-fs "~0.4.1"
+    mime "^2.1.0"
+    path-is-absolute "^1.0.0"
+    range-parser "^1.0.3"
+    url-join "^2.0.2"
+    webpack-log "^1.0.1"
+
 webpack-hot-middleware@^2.21.0:
   version "2.21.0"
   resolved "https://registry.yarnpkg.com/webpack-hot-middleware/-/webpack-hot-middleware-2.21.0.tgz#7b3c113a7a4b301c91e0749573c7aab28b414b52"
@@ -6549,6 +6579,15 @@ webpack-hot-middleware@^2.21.0:
     querystring "^0.2.0"
     strip-ansi "^3.0.0"
 
+webpack-log@^1.0.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/webpack-log/-/webpack-log-1.1.1.tgz#a0c7beb385245da7b2172afe46c02cf3a471ef31"
+  dependencies:
+    chalk "^2.1.0"
+    log-symbols "^2.1.0"
+    loglevelnext "^1.0.1"
+    uuid "^3.1.0"
+
 webpack-merge@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/webpack-merge/-/webpack-merge-4.1.1.tgz#f1197a0a973e69c6fbeeb6d658219aa8c0c13555"