diff --git a/package.json b/package.json
index c423e4b..09ffa53 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,7 @@
     "webpack-stats-plugin": "^0.2.1"
   },
   "devDependencies": {
-    "concurrently": "^4.1.0",
+    "concurrently": "^5.0.2",
     "eslint": "^5.15.1",
     "eslint-config-airbnb-base": "^13.1.0",
     "eslint-plugin-import": "^2.11.0",
diff --git a/yarn.lock b/yarn.lock
index 6520a11..5ff7e62 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1721,6 +1721,15 @@ cliui@^4.0.0:
     strip-ansi "^4.0.0"
     wrap-ansi "^2.0.0"
 
+cliui@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-5.0.0.tgz#deefcfdb2e800784aa34f46fa08e06851c7bbbc5"
+  integrity sha512-PYeGSEmmHM6zvoef2w8TPzlrnNpXIjTipYK780YswmIP9vjxmd6Y2a3CB2Ks6/AU8NHjZugXvo8w3oWM2qnwXA==
+  dependencies:
+    string-width "^3.1.0"
+    strip-ansi "^5.2.0"
+    wrap-ansi "^5.1.0"
+
 clone-deep@^2.0.1:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/clone-deep/-/clone-deep-2.0.2.tgz#00db3a1e173656730d1188c3d6aced6d7ea97713"
@@ -1838,20 +1847,20 @@ concat-stream@^1.5.0:
     readable-stream "^2.2.2"
     typedarray "^0.0.6"
 
-concurrently@^4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/concurrently/-/concurrently-4.1.0.tgz#17fdf067da71210685d9ea554423ef239da30d33"
-  integrity sha512-pwzXCE7qtOB346LyO9eFWpkFJVO3JQZ/qU/feGeaAHiX1M3Rw3zgXKc5cZ8vSH5DGygkjzLFDzA/pwoQDkRNGg==
+concurrently@^5.0.2:
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/concurrently/-/concurrently-5.0.2.tgz#4d2911018c0f15ddec34a8e668fc48dced7f3b1e"
+  integrity sha512-iUNVI6PzKO0RVXV9pHWM0khvEbELxf3XLIoChaV6hHyoIaJuxQWZiOwlNysnJX5khsfvIK66+OJqRdbYrdsR1g==
   dependencies:
-    chalk "^2.4.1"
-    date-fns "^1.23.0"
-    lodash "^4.17.10"
+    chalk "^2.4.2"
+    date-fns "^2.0.1"
+    lodash "^4.17.15"
     read-pkg "^4.0.1"
-    rxjs "^6.3.3"
+    rxjs "^6.5.2"
     spawn-command "^0.0.2-1"
-    supports-color "^4.5.0"
-    tree-kill "^1.1.0"
-    yargs "^12.0.1"
+    supports-color "^6.1.0"
+    tree-kill "^1.2.2"
+    yargs "^13.3.0"
 
 condense-newlines@^0.2.1:
   version "0.2.1"
@@ -2168,10 +2177,10 @@ dashdash@^1.12.0:
   dependencies:
     assert-plus "^1.0.0"
 
-date-fns@^1.23.0:
-  version "1.30.1"
-  resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-1.30.1.tgz#2e71bf0b119153dbb4cc4e88d9ea5acfb50dc05c"
-  integrity sha512-hBSVCvSmWC+QypYObzwGOd9wqdDpOt+0wl0KbU+R+uuZBS1jN8VsD1ss3irQDknRj5NvxiTF6oj/nDRnN/UQNw==
+date-fns@^2.0.1:
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-2.9.0.tgz#d0b175a5c37ed5f17b97e2272bbc1fa5aec677d2"
+  integrity sha512-khbFLu/MlzLjEzy9Gh8oY1hNt/Dvxw3J6Rbc28cVoYWQaC1S3YI4xwkF9ZWcjDLscbZlY9hISMr66RFzZagLsA==
 
 date-now@^0.1.4:
   version "0.1.4"
@@ -3344,11 +3353,6 @@ has-flag@^1.0.0:
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-1.0.0.tgz#9d9e793165ce017a00f00418c43f942a7b1d11fa"
   integrity sha1-nZ55MWXOAXoA8AQYxD+UKnsdEfo=
 
-has-flag@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-2.0.0.tgz#e8207af1cc7b30d446cc70b734b5e8be18f88d51"
-  integrity sha1-6CB68cx7MNRGzHC3NLXovhj4jVE=
-
 has-flag@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
@@ -4482,7 +4486,7 @@ lodash.uniq@^4.5.0:
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
   integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=
 
-lodash@^4.0.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.4, lodash@~4.17.10:
+lodash@^4.0.0, lodash@^4.17.11, lodash@^4.17.15, lodash@^4.17.4, lodash@~4.17.10:
   version "4.17.15"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
   integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
@@ -6522,10 +6526,10 @@ run-queue@^1.0.0, run-queue@^1.0.3:
   dependencies:
     aproba "^1.1.1"
 
-rxjs@^6.3.3, rxjs@^6.4.0:
-  version "6.5.2"
-  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.5.2.tgz#2e35ce815cd46d84d02a209fb4e5921e051dbec7"
-  integrity sha512-HUb7j3kvb7p7eCUHE3FqjoDsC1xfZQ4AHFWfTKSpZ+sAhhz5X1WX0ZuUqWbzB2QhSLp3DoLUG+hMdEDKqWo2Zg==
+rxjs@^6.4.0, rxjs@^6.5.2:
+  version "6.5.4"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.5.4.tgz#e0777fe0d184cec7872df147f303572d414e211c"
+  integrity sha512-naMQXcgEo3csAEGvw/NydRA0fuS2nDZJiw1YUWFKU7aPPAPGZEsD4Iimit96qwCieH6y614MCLYwdkrWx7z/7Q==
   dependencies:
     tslib "^1.9.0"
 
@@ -7084,7 +7088,7 @@ string-width@^1.0.1, string-width@^1.0.2:
     is-fullwidth-code-point "^2.0.0"
     strip-ansi "^4.0.0"
 
-string-width@^3.0.0:
+string-width@^3.0.0, string-width@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-3.1.0.tgz#22767be21b62af1081574306f69ac51b62203961"
   integrity sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==
@@ -7121,7 +7125,7 @@ strip-ansi@^4.0.0:
   dependencies:
     ansi-regex "^3.0.0"
 
-strip-ansi@^5.1.0:
+strip-ansi@^5.0.0, strip-ansi@^5.1.0, strip-ansi@^5.2.0:
   version "5.2.0"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-5.2.0.tgz#8c9a536feb6afc962bdfa5b104a5091c1ad9c0ae"
   integrity sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==
@@ -7220,13 +7224,6 @@ supports-color@^3.1.0:
   dependencies:
     has-flag "^1.0.0"
 
-supports-color@^4.5.0:
-  version "4.5.0"
-  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-4.5.0.tgz#be7a0de484dec5c5cddf8b3d59125044912f635b"
-  integrity sha1-vnoN5ITexcXN34s9WRJQRJEvY1s=
-  dependencies:
-    has-flag "^2.0.0"
-
 supports-color@^5.2.0, supports-color@^5.3.0, supports-color@^5.5.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"
@@ -7436,10 +7433,10 @@ tough-cookie@~2.4.3:
     psl "^1.1.24"
     punycode "^1.4.1"
 
-tree-kill@^1.1.0:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/tree-kill/-/tree-kill-1.2.1.tgz#5398f374e2f292b9dcc7b2e71e30a5c3bb6c743a"
-  integrity sha512-4hjqbObwlh2dLyW4tcz0Ymw0ggoaVDMveUB9w8kFSQScdRLo0gxO9J7WFcUBo+W3C1TLdFIEwNOWebgZZ0RH9Q==
+tree-kill@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/tree-kill/-/tree-kill-1.2.2.tgz#4ca09a9092c88b73a7cdc5e8a01b507b0790a0cc"
+  integrity sha512-L0Orpi8qGpRG//Nd+H90vFB+3iHnue1zSSGmNOOCh1GLJ7rUKVwV2HvijphGQS2UmhUZewS9VgvxYIdgr+fG1A==
 
 trim-newlines@^1.0.0:
   version "1.0.0"
@@ -8000,6 +7997,15 @@ wrap-ansi@^2.0.0:
     string-width "^1.0.1"
     strip-ansi "^3.0.1"
 
+wrap-ansi@^5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-5.1.0.tgz#1fd1f67235d5b6d0fee781056001bfb694c03b09"
+  integrity sha512-QC1/iN/2/RPVJ5jYK8BGttj5z83LmSKmvbvrXPNCLZSEb32KKVDJDl/MOt2N01qU2H/FkzEa9PKto1BqDjtd7Q==
+  dependencies:
+    ansi-styles "^3.2.0"
+    string-width "^3.0.0"
+    strip-ansi "^5.0.0"
+
 wrappy@1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
@@ -8075,6 +8081,14 @@ yargs-parser@^13.0.0:
     camelcase "^5.0.0"
     decamelize "^1.2.0"
 
+yargs-parser@^13.1.1:
+  version "13.1.1"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-13.1.1.tgz#d26058532aa06d365fe091f6a1fc06b2f7e5eca0"
+  integrity sha512-oVAVsHz6uFrg3XQheFII8ESO2ssAf9luWuAd6Wexsu4F3OtIW0o8IribPXYrD4WC24LWtPrJlGy87y5udK+dxQ==
+  dependencies:
+    camelcase "^5.0.0"
+    decamelize "^1.2.0"
+
 yargs-parser@^2.4.1:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-2.4.1.tgz#85568de3cf150ff49fa51825f03a8c880ddcc5c4"
@@ -8141,7 +8155,7 @@ yargs@^10.0.3:
     y18n "^3.2.1"
     yargs-parser "^8.1.0"
 
-yargs@^12.0.1, yargs@^12.0.5:
+yargs@^12.0.5:
   version "12.0.5"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-12.0.5.tgz#05f5997b609647b64f66b81e3b4b10a368e7ad13"
   integrity sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==
@@ -8159,6 +8173,22 @@ yargs@^12.0.1, yargs@^12.0.5:
     y18n "^3.2.1 || ^4.0.0"
     yargs-parser "^11.1.1"
 
+yargs@^13.3.0:
+  version "13.3.0"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-13.3.0.tgz#4c657a55e07e5f2cf947f8a366567c04a0dedc83"
+  integrity sha512-2eehun/8ALW8TLoIl7MVaRUrg+yCnenu8B4kBlRxj3GJGDKU1Og7sMXPNm1BYyM1DOJmTZ4YeN/Nwxv+8XJsUA==
+  dependencies:
+    cliui "^5.0.0"
+    find-up "^3.0.0"
+    get-caller-file "^2.0.1"
+    require-directory "^2.1.1"
+    require-main-filename "^2.0.0"
+    set-blocking "^2.0.0"
+    string-width "^3.0.0"
+    which-module "^2.0.0"
+    y18n "^4.0.0"
+    yargs-parser "^13.1.1"
+
 yargs@^4.0.0:
   version "4.8.1"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-4.8.1.tgz#c0c42924ca4aaa6b0e6da1739dfb216439f9ddc0"