diff --git a/package.json b/package.json
index e9395a2..b564c1a 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "postcss-loader": "2.0.6",
     "promise": "7.1.1",
     "react": "^15.6.1",
-    "react-dev-utils": "^3.0.2",
+    "react-dev-utils": "^3.1.2",
     "react-dom": "^15.6.1",
     "react-error-overlay": "^1.0.9",
     "react-tippy": "^1.2.1",
diff --git a/yarn.lock b/yarn.lock
index 751a145..2ef1d5b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -125,12 +125,18 @@ ansi-styles@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
 
-ansi-styles@^3.0.0, ansi-styles@^3.1.0:
+ansi-styles@^3.0.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.0.tgz#c159b8d5be0f9e5a6f346dab94f16ce022161b88"
   dependencies:
     color-convert "^1.9.0"
 
+ansi-styles@^3.2.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"
+  dependencies:
+    color-convert "^1.9.0"
+
 anymatch@^1.3.0:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/anymatch/-/anymatch-1.3.2.tgz#553dcb8f91e3c889845dfdba34c77721b90b9d7a"
@@ -1251,13 +1257,13 @@ chalk@1.1.3, chalk@^1.0.0, chalk@^1.1.0, chalk@^1.1.1, chalk@^1.1.3:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
-chalk@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.0.1.tgz#dbec49436d2ae15f536114e76d14656cdbc0f44d"
+chalk@^2.0.0, chalk@^2.0.1:
+  version "2.4.2"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
   dependencies:
-    ansi-styles "^3.1.0"
+    ansi-styles "^3.2.1"
     escape-string-regexp "^1.0.5"
-    supports-color "^4.0.0"
+    supports-color "^5.3.0"
 
 chokidar@^1.6.0, chokidar@^1.7.0:
   version "1.7.0"
@@ -1569,11 +1575,12 @@ create-react-class@^15.6.0:
     loose-envify "^1.3.1"
     object-assign "^4.1.1"
 
-cross-spawn@4.0.2:
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-4.0.2.tgz#7b9247621c23adfdd3856004a823cbe397424d41"
+cross-spawn@5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
   dependencies:
     lru-cache "^4.0.1"
+    shebang-command "^1.2.0"
     which "^1.2.9"
 
 cross-spawn@^3.0.0:
@@ -2339,6 +2346,12 @@ expand-range@^1.8.1:
   dependencies:
     fill-range "^2.1.0"
 
+expand-tilde@^2.0.0, expand-tilde@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/expand-tilde/-/expand-tilde-2.0.2.tgz#97e801aa052df02454de46b02bf621642cdc8502"
+  dependencies:
+    homedir-polyfill "^1.0.1"
+
 express@^4.13.3:
   version "4.15.3"
   resolved "https://registry.yarnpkg.com/express/-/express-4.15.3.tgz#bab65d0f03aa80c358408972fc700f916944b662"
@@ -2488,9 +2501,9 @@ fileset@^2.0.2:
     glob "^7.0.3"
     minimatch "^3.0.3"
 
-filesize@3.3.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/filesize/-/filesize-3.3.0.tgz#53149ea3460e3b2e024962a51648aa572cf98122"
+filesize@3.5.10:
+  version "3.5.10"
+  resolved "https://registry.yarnpkg.com/filesize/-/filesize-3.5.10.tgz#fc8fa23ddb4ef9e5e0ab6e1e64f679a24a56761f"
 
 fill-range@^2.1.0:
   version "2.2.3"
@@ -2713,6 +2726,24 @@ glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.1, glob@~7.1.1:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
+global-modules@1.0.0, global-modules@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/global-modules/-/global-modules-1.0.0.tgz#6d770f0eb523ac78164d72b5e71a8877265cc3ea"
+  dependencies:
+    global-prefix "^1.0.1"
+    is-windows "^1.0.1"
+    resolve-dir "^1.0.0"
+
+global-prefix@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/global-prefix/-/global-prefix-1.0.2.tgz#dbf743c6c14992593c655568cb66ed32c0122ebe"
+  dependencies:
+    expand-tilde "^2.0.2"
+    homedir-polyfill "^1.0.1"
+    ini "^1.3.4"
+    is-windows "^1.0.1"
+    which "^1.2.14"
+
 global@^4.3.2:
   version "4.3.2"
   resolved "https://registry.yarnpkg.com/global/-/global-4.3.2.tgz#e76989268a6c74c38908b1305b10fc0e394e9d0f"
@@ -2826,6 +2857,10 @@ has-flag@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-2.0.0.tgz#e8207af1cc7b30d446cc70b734b5e8be18f88d51"
 
+has-flag@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
+
 has-unicode@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/has-unicode/-/has-unicode-2.0.1.tgz#e0e6fe6a28cf51138855e086d1691e771de2a8b9"
@@ -2881,6 +2916,12 @@ home-or-tmp@^2.0.0:
     os-homedir "^1.0.0"
     os-tmpdir "^1.0.1"
 
+homedir-polyfill@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/homedir-polyfill/-/homedir-polyfill-1.0.3.tgz#743298cef4e5af3e194161fbadcc2151d3a058e8"
+  dependencies:
+    parse-passwd "^1.0.0"
+
 hosted-git-info@^2.1.4:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.5.0.tgz#6d60e34b3abbc8313062c3b798ef8d901a07af3c"
@@ -3045,16 +3086,20 @@ inherits@2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.1.tgz#b17d08d326b4423e568eff719f91b0b1cbdf69f1"
 
+ini@^1.3.4:
+  version "1.3.5"
+  resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
+
 ini@~1.3.0:
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.4.tgz#0537cb79daf59b59a1a517dff706c86ec039162e"
 
-inquirer@3.1.1:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-3.1.1.tgz#87621c4fba4072f48a8dd71c9f9df6f100b2d534"
+inquirer@3.2.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-3.2.1.tgz#06ceb0f540f45ca548c17d6840959878265fa175"
   dependencies:
     ansi-escapes "^2.0.0"
-    chalk "^1.0.0"
+    chalk "^2.0.0"
     cli-cursor "^2.1.0"
     cli-width "^2.0.0"
     external-editor "^2.0.4"
@@ -3064,8 +3109,8 @@ inquirer@3.1.1:
     run-async "^2.2.0"
     rx-lite "^4.0.8"
     rx-lite-aggregates "^4.0.8"
-    string-width "^2.0.0"
-    strip-ansi "^3.0.0"
+    string-width "^2.1.0"
+    strip-ansi "^4.0.0"
     through "^2.3.6"
 
 inquirer@^0.12.0:
@@ -3323,6 +3368,10 @@ is-utf8@^0.2.0:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
 
+is-windows@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.2.tgz#d1850eb9791ecd18e6182ce12a30f396634bb19d"
+
 is-wsl@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-wsl/-/is-wsl-1.1.0.tgz#1f16e4aa22b04d1336b66188a66af3c600c3a66d"
@@ -4501,6 +4550,10 @@ parse-json@^2.1.0, parse-json@^2.2.0:
   dependencies:
     error-ex "^1.2.0"
 
+parse-passwd@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/parse-passwd/-/parse-passwd-1.0.0.tgz#6d5b934a456993b23d37f40a382d6f1666a8e5c6"
+
 parse5@^1.5.1:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/parse5/-/parse5-1.5.1.tgz#9b7f3b0de32be78dc2401b17573ccaf0f6f59d94"
@@ -5050,21 +5103,22 @@ rc@^1.0.1, rc@^1.1.6, rc@^1.1.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-react-dev-utils@^3.0.2:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/react-dev-utils/-/react-dev-utils-3.0.2.tgz#1a42263e9b6aa11dcb45d69dfe5eb1b354bd5531"
+react-dev-utils@^3.0.2, react-dev-utils@^3.1.2:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/react-dev-utils/-/react-dev-utils-3.1.2.tgz#9c8647abf83545e1dd269a218fda4f2a246c4593"
   dependencies:
     address "1.0.2"
     anser "1.4.1"
     babel-code-frame "6.22.0"
     chalk "1.1.3"
-    cross-spawn "4.0.2"
+    cross-spawn "5.1.0"
     detect-port-alt "1.1.3"
     escape-string-regexp "1.0.5"
-    filesize "3.3.0"
+    filesize "3.5.10"
+    global-modules "1.0.0"
     gzip-size "3.0.0"
     html-entities "1.2.1"
-    inquirer "3.1.1"
+    inquirer "3.2.1"
     is-root "1.0.0"
     opn "5.1.0"
     recursive-readdir "2.2.1"
@@ -5346,6 +5400,13 @@ requires-port@1.0.x, requires-port@1.x.x:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"
 
+resolve-dir@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/resolve-dir/-/resolve-dir-1.0.1.tgz#79a40644c362be82f26effe739c9bb5382046f43"
+  dependencies:
+    expand-tilde "^2.0.0"
+    global-modules "^1.0.0"
+
 resolve-from@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-1.0.1.tgz#26cbfe935d1aeeeabb29bc3fe5aeb01e93d44226"
@@ -5573,6 +5634,16 @@ shallow-clone@^0.1.2:
     lazy-cache "^0.2.3"
     mixin-object "^2.0.1"
 
+shebang-command@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/shebang-command/-/shebang-command-1.2.0.tgz#44aac65b695b03398968c39f363fee5deafdf1ea"
+  dependencies:
+    shebang-regex "^1.0.0"
+
+shebang-regex@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
+
 shell-quote@1.6.1:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/shell-quote/-/shell-quote-1.6.1.tgz#f4781949cce402697127430ea3b3c5476f481767"
@@ -5785,7 +5856,7 @@ string-width@^1.0.1, string-width@^1.0.2:
     is-fullwidth-code-point "^1.0.0"
     strip-ansi "^3.0.0"
 
-string-width@^2.0.0:
+string-width@^2.0.0, string-width@^2.1.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
   dependencies:
@@ -5855,12 +5926,18 @@ supports-color@^3.1.0, supports-color@^3.1.1, supports-color@^3.1.2, supports-co
   dependencies:
     has-flag "^1.0.0"
 
-supports-color@^4.0.0, supports-color@^4.2.0:
+supports-color@^4.2.0:
   version "4.2.1"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-4.2.1.tgz#65a4bb2631e90e02420dba5554c375a4754bb836"
   dependencies:
     has-flag "^2.0.0"
 
+supports-color@^5.3.0:
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"
+  dependencies:
+    has-flag "^3.0.0"
+
 svgo@^0.7.0:
   version "0.7.2"
   resolved "https://registry.yarnpkg.com/svgo/-/svgo-0.7.2.tgz#9f5772413952135c6fefbf40afe6a4faa88b4bb5"
@@ -6387,6 +6464,12 @@ which@1, which@^1.2.12, which@^1.2.9:
   dependencies:
     isexe "^2.0.0"
 
+which@^1.2.14:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/which/-/which-1.3.1.tgz#a45043d54f5805316da8d62f9f50918d3da70b0a"
+  dependencies:
+    isexe "^2.0.0"
+
 wide-align@^1.1.0:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/wide-align/-/wide-align-1.1.2.tgz#571e0f1b0604636ebc0dfc21b0339bbe31341710"