diff --git a/package.json b/package.json
index da1784a3..05a070cc 100644
--- a/package.json
+++ b/package.json
@@ -103,6 +103,6 @@
     "undate": "0.3.0",
     "webpack": "4.17.1",
     "webpack-cli": "3.1.0",
-    "webpack-dev-server": "3.1.6"
+    "webpack-dev-server": "3.1.7"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 048865d3..8ad3eaf5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1502,13 +1502,6 @@ camel-case@3.0.x:
     no-case "^2.2.0"
     upper-case "^1.1.1"
 
-camelcase-keys@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/camelcase-keys/-/camelcase-keys-2.1.0.tgz#308beeaffdf28119051efa1d932213c91b8f92e7"
-  dependencies:
-    camelcase "^2.0.0"
-    map-obj "^1.0.0"
-
 camelcase-keys@^4.0.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/camelcase-keys/-/camelcase-keys-4.2.0.tgz#a2aa5fb1af688758259c32c141426d78923b9b77"
@@ -1521,10 +1514,6 @@ camelcase@^1.0.2:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-1.2.1.tgz#9bb5304d2e0b56698b2c758b08a3eaa9daa58a39"
 
-camelcase@^2.0.0:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-2.1.1.tgz#7c1d16d679a1bbe59ca02cacecfb011e201f5a1f"
-
 camelcase@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
@@ -2001,7 +1990,7 @@ cross-spawn@^5.0.1:
     shebang-command "^1.2.0"
     which "^1.2.9"
 
-cross-spawn@^6.0.4, cross-spawn@^6.0.5:
+cross-spawn@^6.0.0, cross-spawn@^6.0.4, cross-spawn@^6.0.5:
   version "6.0.5"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-6.0.5.tgz#4a5ec7c64dfae22c3a14124dbacdee846d80cbc4"
   dependencies:
@@ -2221,6 +2210,13 @@ deep-is@~0.1.3:
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
 
+default-gateway@^2.6.0:
+  version "2.7.2"
+  resolved "https://registry.yarnpkg.com/default-gateway/-/default-gateway-2.7.2.tgz#b7ef339e5e024b045467af403d50348db4642d0f"
+  dependencies:
+    execa "^0.10.0"
+    ip-regex "^2.1.0"
+
 default-require-extensions@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/default-require-extensions/-/default-require-extensions-2.0.0.tgz#f5f8fbb18a7d6d50b21f641f649ebb522cfe24f7"
@@ -2530,7 +2526,7 @@ errno@^0.1.3, errno@~0.1.7:
   dependencies:
     prr "~1.0.1"
 
-error-ex@^1.2.0, error-ex@^1.3.1:
+error-ex@^1.3.1:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.2.tgz#b4ac40648107fdcdcfae242f428bea8a14d4f1bf"
   dependencies:
@@ -2710,6 +2706,18 @@ evp_bytestokey@^1.0.0, evp_bytestokey@^1.0.3:
     md5.js "^1.3.4"
     safe-buffer "^5.1.1"
 
+execa@^0.10.0:
+  version "0.10.0"
+  resolved "https://registry.yarnpkg.com/execa/-/execa-0.10.0.tgz#ff456a8f53f90f8eccc71a96d11bdfc7f082cb50"
+  dependencies:
+    cross-spawn "^6.0.0"
+    get-stream "^3.0.0"
+    is-stream "^1.1.0"
+    npm-run-path "^2.0.0"
+    p-finally "^1.0.0"
+    signal-exit "^3.0.0"
+    strip-eof "^1.0.0"
+
 execa@^0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/execa/-/execa-0.7.0.tgz#944becd34cc41ee32a63a9faf27ad5a65fc59777"
@@ -2970,13 +2978,6 @@ find-cache-dir@^2.0.0:
     make-dir "^1.0.0"
     pkg-dir "^3.0.0"
 
-find-up@^1.0.0:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/find-up/-/find-up-1.1.2.tgz#6b2e9822b1a2ce0a60ab64d610eccad53cb24d0f"
-  dependencies:
-    path-exists "^2.0.0"
-    pinkie-promise "^2.0.0"
-
 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"
@@ -3136,10 +3137,6 @@ get-func-name@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/get-func-name/-/get-func-name-2.0.0.tgz#ead774abee72e20409433a066366023dd6887a41"
 
-get-stdin@^4.0.1:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
-
 get-stdin@^6.0.0:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-6.0.0.tgz#9e09bf712b360ab9225e812048f71fde9c89657b"
@@ -3620,12 +3617,6 @@ imurmurhash@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
 
-indent-string@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/indent-string/-/indent-string-2.1.0.tgz#8e2d48348742121b4a8218b7a137e9a52049dc80"
-  dependencies:
-    repeating "^2.0.0"
-
 indent-string@^3.0.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/indent-string/-/indent-string-3.2.0.tgz#4a5fd6d27cc332f37e5419a504dbb837105c9289"
@@ -3693,11 +3684,12 @@ inquirer@^6.0.0:
     strip-ansi "^4.0.0"
     through "^2.3.6"
 
-internal-ip@1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/internal-ip/-/internal-ip-1.2.0.tgz#ae9fbf93b984878785d50a8de1b356956058cf5c"
+internal-ip@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/internal-ip/-/internal-ip-3.0.1.tgz#df5c99876e1d2eb2ea2d74f520e3f669a00ece27"
   dependencies:
-    meow "^3.3.0"
+    default-gateway "^2.6.0"
+    ipaddr.js "^1.5.2"
 
 interpret@^1.0.1, interpret@^1.1.0:
   version "1.1.0"
@@ -3724,6 +3716,10 @@ invert-kv@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/invert-kv/-/invert-kv-1.0.0.tgz#104a8e4aaca6d3d8cd157a8ef8bfab2d7a3ffdb6"
 
+ip-regex@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/ip-regex/-/ip-regex-2.1.0.tgz#fa78bf5d2e6913c911ce9f819ee5146bb6d844e9"
+
 ip@^1.1.0, ip@^1.1.5:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/ip/-/ip-1.1.5.tgz#bdded70114290828c0a039e72ef25f5aaec4354a"
@@ -3736,6 +3732,10 @@ ipaddr.js@1.8.0:
   version "1.8.0"
   resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.8.0.tgz#eaa33d6ddd7ace8f7f6fe0c9ca0440e706738b1e"
 
+ipaddr.js@^1.5.2:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.8.1.tgz#fa4b79fa47fd3def5e3b159825161c0a519c9427"
+
 irc-framework@3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/irc-framework/-/irc-framework-3.1.0.tgz#411193371a34a6388c681c3ed628571a9bad72fc"
@@ -4010,10 +4010,6 @@ is-typedarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-typedarray/-/is-typedarray-1.0.0.tgz#e479c80858df0c1b11ddda6940f96011fcda4a9a"
 
-is-utf8@^0.2.0:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
-
 is-whitespace-character@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-whitespace-character/-/is-whitespace-character-1.0.2.tgz#ede53b4c6f6fb3874533751ec9280d01928d03ed"
@@ -4329,16 +4325,6 @@ linkify-it@2.0.3:
   dependencies:
     uc.micro "^1.0.1"
 
-load-json-file@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-1.1.0.tgz#956905708d58b4bab4c2261b04f59f31c99374c0"
-  dependencies:
-    graceful-fs "^4.1.2"
-    parse-json "^2.2.0"
-    pify "^2.0.0"
-    pinkie-promise "^2.0.0"
-    strip-bom "^2.0.0"
-
 load-json-file@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-4.0.0.tgz#2f5f45ab91e33216234fd53adab668eb4ec0993b"
@@ -4534,7 +4520,7 @@ map-cache@^0.2.2:
   version "0.2.2"
   resolved "https://registry.yarnpkg.com/map-cache/-/map-cache-0.2.2.tgz#c32abd0bd6525d9b051645bb4f26ac5dc98a0dbf"
 
-map-obj@^1.0.0, map-obj@^1.0.1:
+map-obj@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/map-obj/-/map-obj-1.0.1.tgz#d933ceb9205d82bdcf4886f6742bdc2b4dea146d"
 
@@ -4616,21 +4602,6 @@ memorystream@^0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/memorystream/-/memorystream-0.3.1.tgz#86d7090b30ce455d63fbae12dda51a47ddcaf9b2"
 
-meow@^3.3.0:
-  version "3.7.0"
-  resolved "https://registry.yarnpkg.com/meow/-/meow-3.7.0.tgz#72cb668b425228290abbfa856892587308a801fb"
-  dependencies:
-    camelcase-keys "^2.0.0"
-    decamelize "^1.1.2"
-    loud-rejection "^1.0.0"
-    map-obj "^1.0.1"
-    minimist "^1.1.3"
-    normalize-package-data "^2.3.4"
-    object-assign "^4.0.1"
-    read-pkg-up "^1.0.1"
-    redent "^1.0.0"
-    trim-newlines "^1.0.0"
-
 meow@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/meow/-/meow-5.0.0.tgz#dfc73d63a9afc714a5e371760eb5c88b91078aa4"
@@ -4773,7 +4744,7 @@ minimist@1.1.x:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.1.3.tgz#3bedfd91a92d39016fcfaa1c681e8faa1a1efda8"
 
-minimist@^1.1.3, minimist@^1.2.0:
+minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
@@ -5416,12 +5387,6 @@ parse-glob@^3.0.4:
     is-extglob "^1.0.0"
     is-glob "^2.0.0"
 
-parse-json@^2.2.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-2.2.0.tgz#f480f40434ef80741f8469099f8dea18f55a4dc9"
-  dependencies:
-    error-ex "^1.2.0"
-
 parse-json@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-4.0.0.tgz#be35f5425be1f7f6c747184f98a788cb99477ee0"
@@ -5457,12 +5422,6 @@ path-dirname@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/path-dirname/-/path-dirname-1.0.2.tgz#cc33d24d525e099a5388c0336c6e32b9160609e0"
 
-path-exists@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-2.1.0.tgz#0feb6c64f0fc518d9a754dd5efb62c7022761f4b"
-  dependencies:
-    pinkie-promise "^2.0.0"
-
 path-exists@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-3.0.0.tgz#ce0ebeaa5f78cb18925ea7d810d7b59b010fd515"
@@ -5493,14 +5452,6 @@ path-to-regexp@^1.7.0:
   dependencies:
     isarray "0.0.1"
 
-path-type@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/path-type/-/path-type-1.1.0.tgz#59c44f7ee491da704da415da5a4070ba4f8fe441"
-  dependencies:
-    graceful-fs "^4.1.2"
-    pify "^2.0.0"
-    pinkie-promise "^2.0.0"
-
 path-type@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/path-type/-/path-type-3.0.0.tgz#cef31dc8e0a1a3bb0d105c0cd97cf3bf47f4e36f"
@@ -6123,13 +6074,6 @@ rc@^1.0.1, rc@^1.1.6, rc@^1.2.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-read-pkg-up@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-1.0.1.tgz#9d63c13276c065918d57f002a57f40a1b643fb02"
-  dependencies:
-    find-up "^1.0.0"
-    read-pkg "^1.0.0"
-
 read-pkg-up@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-3.0.0.tgz#3ed496685dba0f8fe118d0691dc51f4a1ff96f07"
@@ -6144,14 +6088,6 @@ read-pkg-up@^4.0.0:
     find-up "^3.0.0"
     read-pkg "^3.0.0"
 
-read-pkg@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-1.1.0.tgz#f5ffaa5ecd29cb31c0474bca7d756b6bb29e3f28"
-  dependencies:
-    load-json-file "^1.0.0"
-    normalize-package-data "^2.3.2"
-    path-type "^1.0.0"
-
 read-pkg@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-3.0.0.tgz#9cbc686978fee65d16c00e2b19c237fcf6e38389"
@@ -6187,13 +6123,6 @@ readdirp@^2.0.0:
     readable-stream "^2.0.2"
     set-immediate-shim "^1.0.1"
 
-redent@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/redent/-/redent-1.0.0.tgz#cf916ab1fd5f1f16dfb20822dd6ec7f730c2afde"
-  dependencies:
-    indent-string "^2.1.0"
-    strip-indent "^1.0.1"
-
 redent@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/redent/-/redent-2.0.0.tgz#c1b2007b42d57eb1389079b3c8333639d5e1ccaa"
@@ -7077,12 +7006,6 @@ strip-ansi@^4.0.0:
   dependencies:
     ansi-regex "^3.0.0"
 
-strip-bom@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-2.0.0.tgz#6219a85616520491f35788bdbf1447a99c7e6b0e"
-  dependencies:
-    is-utf8 "^0.2.0"
-
 strip-bom@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-3.0.0.tgz#2334c18e9c759f7bdd56fdef7e9ae3d588e68ed3"
@@ -7091,12 +7014,6 @@ strip-eof@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/strip-eof/-/strip-eof-1.0.0.tgz#bb43ff5598a6eb05d89b59fcd129c983313606bf"
 
-strip-indent@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/strip-indent/-/strip-indent-1.0.1.tgz#0c7962a6adefa7bbd4ac366460a638552ae1a0a2"
-  dependencies:
-    get-stdin "^4.0.1"
-
 strip-indent@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/strip-indent/-/strip-indent-2.0.0.tgz#5ef8db295d01e6ed6cbf7aab96998d7822527b68"
@@ -7384,10 +7301,6 @@ tough-cookie@~2.4.3:
     psl "^1.1.24"
     punycode "^1.4.1"
 
-trim-newlines@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/trim-newlines/-/trim-newlines-1.0.0.tgz#5887966bb582a4503a41eb524f7d35011815a613"
-
 trim-newlines@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/trim-newlines/-/trim-newlines-2.0.0.tgz#b403d0b91be50c331dfc4b82eeceb22c3de16d20"
@@ -7828,9 +7741,9 @@ webpack-dev-middleware@3.2.0:
     url-join "^4.0.0"
     webpack-log "^2.0.0"
 
-webpack-dev-server@3.1.6:
-  version "3.1.6"
-  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-3.1.6.tgz#8617503768b1131fd539cf43c3e2e63bd34c1521"
+webpack-dev-server@3.1.7:
+  version "3.1.7"
+  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-3.1.7.tgz#cbf8071cc092d9493732aee4f062f0e065994854"
   dependencies:
     ansi-html "0.0.7"
     bonjour "^3.5.0"
@@ -7843,12 +7756,13 @@ webpack-dev-server@3.1.6:
     html-entities "^1.2.0"
     http-proxy-middleware "~0.18.0"
     import-local "^1.0.0"
-    internal-ip "1.2.0"
+    internal-ip "^3.0.1"
     ip "^1.1.5"
     killable "^1.0.0"
     loglevel "^1.4.1"
     opn "^5.1.0"
     portfinder "^1.0.9"
+    schema-utils "^1.0.0"
     selfsigned "^1.9.1"
     serve-index "^1.7.2"
     sockjs "0.3.19"