diff --git a/package.json b/package.json
index d580310..973b907 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
     "@babel/runtime": "7.1.5",
     "@babel/plugin-external-helpers": "7.0.0",
     "babel-eslint": "7.2.3",
-    "eslint": "4.4.1",
+    "eslint": "4.18.2",
     "eslint-plugin-flowtype": "2.35.0",
     "eslint-plugin-import": "2.7.0",
     "eslint-plugin-jsx-a11y": "6.0.2",
diff --git a/yarn.lock b/yarn.lock
index 854abf0..3e4f948 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -214,7 +214,7 @@
   version "7.1.6"
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.1.6.tgz#16e97aca1ec1062324a01c5a6a7d0df8dd189854"
 
-"@babel/plugin-external-helpers@^.0.0", "@babel/plugin-external-helpers@^7.0.0":
+"@babel/plugin-external-helpers@7.0.0", "@babel/plugin-external-helpers@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-external-helpers/-/plugin-external-helpers-7.0.0.tgz#61ee7ba5dba27d7cad72a13d46bec23c060b762e"
   dependencies:
@@ -591,11 +591,11 @@ acorn@^5.0.0, acorn@^5.3.0, acorn@^5.5.0:
   version "5.7.1"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.1.tgz#f095829297706a7c9776958c0afc8930a9b9d9d8"
 
-ajv-keywords@^3.0.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-3.2.0.tgz#e86b819c602cf8821ad637413698f1dec021847a"
+ajv-keywords@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-2.1.1.tgz#617997fc5f60576894c435f940d819e135b80762"
 
-ajv@^5.1.0, ajv@^5.2.0:
+ajv@^5.1.0, ajv@^5.2.3, ajv@^5.3.0:
   version "5.5.2"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.5.2.tgz#73b5eeca3fab653e3d3f9422b341ad42205dc965"
   dependencies:
@@ -604,15 +604,6 @@ ajv@^5.1.0, ajv@^5.2.0:
     fast-json-stable-stringify "^2.0.0"
     json-schema-traverse "^0.3.0"
 
-ajv@^6.0.1:
-  version "6.5.2"
-  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.5.2.tgz#678495f9b82f7cca6be248dd92f59bff5e1f4360"
-  dependencies:
-    fast-deep-equal "^2.0.1"
-    fast-json-stable-stringify "^2.0.0"
-    json-schema-traverse "^0.4.1"
-    uri-js "^4.2.1"
-
 align-text@^0.1.1, align-text@^0.1.3:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/align-text/-/align-text-0.1.4.tgz#0cd90a561093f35d0a99256c22b7069433fad117"
@@ -1701,7 +1692,7 @@ compressible@~2.0.13:
 
 compression@^1.7.1:
   version "1.7.2"
-  resolved "http://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
+  resolved "https://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
   dependencies:
     accepts "~1.3.4"
     bytes "3.0.0"
@@ -1944,7 +1935,7 @@ doctrine@1.5.0:
     esutils "^2.0.2"
     isarray "^1.0.0"
 
-doctrine@^2.0.0:
+doctrine@^2.0.0, doctrine@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-2.1.0.tgz#5cd01fc101621b42c4cd7f5d1a66243716d3f39d"
   dependencies:
@@ -2115,32 +2106,36 @@ eslint-scope@^3.7.1:
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
 
-eslint@4.4.1:
-  version "4.4.1"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.4.1.tgz#99cd7eafcffca2ff99a5c8f5f2a474d6364b4bd3"
+eslint-visitor-keys@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.1.0.tgz#e2a82cea84ff246ad6fb57f9bde5b46621459ec2"
+
+eslint@4.18.2:
+  version "4.18.2"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.18.2.tgz#0f81267ad1012e7d2051e186a9004cc2267b8d45"
   dependencies:
-    ajv "^5.2.0"
+    ajv "^5.3.0"
     babel-code-frame "^6.22.0"
-    chalk "^1.1.3"
+    chalk "^2.1.0"
     concat-stream "^1.6.0"
     cross-spawn "^5.1.0"
-    debug "^2.6.8"
-    doctrine "^2.0.0"
+    debug "^3.1.0"
+    doctrine "^2.1.0"
     eslint-scope "^3.7.1"
-    espree "^3.5.0"
+    eslint-visitor-keys "^1.0.0"
+    espree "^3.5.2"
     esquery "^1.0.0"
-    estraverse "^4.2.0"
     esutils "^2.0.2"
     file-entry-cache "^2.0.0"
     functional-red-black-tree "^1.0.1"
     glob "^7.1.2"
-    globals "^9.17.0"
+    globals "^11.0.1"
     ignore "^3.3.3"
     imurmurhash "^0.1.4"
     inquirer "^3.0.6"
     is-resolvable "^1.0.0"
     js-yaml "^3.9.1"
-    json-stable-stringify "^1.0.1"
+    json-stable-stringify-without-jsonify "^1.0.1"
     levn "^0.3.0"
     lodash "^4.17.4"
     minimatch "^3.0.2"
@@ -2148,15 +2143,16 @@ eslint@4.4.1:
     natural-compare "^1.4.0"
     optionator "^0.8.2"
     path-is-inside "^1.0.2"
-    pluralize "^4.0.0"
+    pluralize "^7.0.0"
     progress "^2.0.0"
     require-uncached "^1.0.3"
     semver "^5.3.0"
+    strip-ansi "^4.0.0"
     strip-json-comments "~2.0.1"
-    table "^4.0.1"
+    table "4.0.2"
     text-table "~0.2.0"
 
-espree@^3.5.0:
+espree@^3.5.2:
   version "3.5.4"
   resolved "https://registry.yarnpkg.com/espree/-/espree-3.5.4.tgz#b0f447187c8a8bed944b815a660bddf5deb5d1a7"
   dependencies:
@@ -2330,10 +2326,6 @@ fast-deep-equal@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz#c053477817c86b51daa853c81e059b733d023614"
 
-fast-deep-equal@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz#7b05218ddf9667bf7f370bf7fdb2cb15fdd0aa49"
-
 fast-diff@^1.1.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/fast-diff/-/fast-diff-1.1.2.tgz#4b62c42b8e03de3f848460b639079920695d0154"
@@ -2618,11 +2610,11 @@ global@^4.3.0:
     min-document "^2.19.0"
     process "~0.5.1"
 
-globals@^11.1.0:
-  version "11.7.0"
-  resolved "https://registry.yarnpkg.com/globals/-/globals-11.7.0.tgz#a583faa43055b1aca771914bf68258e2fc125673"
+globals@^11.0.1, globals@^11.1.0:
+  version "11.12.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-11.12.0.tgz#ab8795338868a0babd8525758018c2a7eb95c42e"
 
-globals@^9.17.0, globals@^9.18.0:
+globals@^9.18.0:
   version "9.18.0"
   resolved "https://registry.yarnpkg.com/globals/-/globals-9.18.0.tgz#aa3896b3e69b487f17e31ed2143d69a8e30c2d8a"
 
@@ -3547,14 +3539,14 @@ json-schema-traverse@^0.3.0:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz#349a6d44c53a51de89b40805c5d5e59b417d3340"
 
-json-schema-traverse@^0.4.1:
-  version "0.4.1"
-  resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz#69f6a87d9513ab8bb8fe63bdb0979c448e684660"
-
 json-schema@0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/json-schema/-/json-schema-0.2.3.tgz#b480c892e59a2f05954ce727bd3f2a4e882f9e13"
 
+json-stable-stringify-without-jsonify@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz#9db7b59496ad3f3cfef30a75142d2d930ad72651"
+
 json-stable-stringify@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/json-stable-stringify/-/json-stable-stringify-1.0.1.tgz#9a759d39c5f2ff503fd5300646ed445f88c4f9af"
@@ -4600,9 +4592,9 @@ plugin-error@^0.1.2:
     arr-union "^2.0.1"
     extend-shallow "^1.1.2"
 
-pluralize@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-4.0.0.tgz#59b708c1c0190a2f692f1c7618c446b052fd1762"
+pluralize@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-7.0.0.tgz#298b89df8b93b0221dbf421ad2b1b1ea23fc6777"
 
 pn@^1.1.0:
   version "1.1.0"
@@ -5330,11 +5322,7 @@ schedule@^0.3.0:
   dependencies:
     object-assign "^4.1.1"
 
-"semver@2 || 3 || 4 || 5", semver@^5.0.3, semver@^5.1.0, semver@^5.3.0, semver@^5.4.1, semver@^5.5.0:
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"
-
-semver@^5.5.1:
+"semver@2 || 3 || 4 || 5", semver@^5.0.3, semver@^5.1.0, semver@^5.3.0, semver@^5.4.1, semver@^5.5.0, semver@^5.5.1:
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.6.0.tgz#7e74256fbaa49c75aa7c7a205cc22799cac80004"
 
@@ -5705,12 +5693,12 @@ symbol-tree@^3.2.2:
   version "3.2.2"
   resolved "https://registry.yarnpkg.com/symbol-tree/-/symbol-tree-3.2.2.tgz#ae27db38f660a7ae2e1c3b7d1bc290819b8519e6"
 
-table@^4.0.1:
-  version "4.0.3"
-  resolved "https://registry.yarnpkg.com/table/-/table-4.0.3.tgz#00b5e2b602f1794b9acaf9ca908a76386a7813bc"
+table@4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/table/-/table-4.0.2.tgz#a33447375391e766ad34d3486e6e2aedc84d2e36"
   dependencies:
-    ajv "^6.0.1"
-    ajv-keywords "^3.0.0"
+    ajv "^5.2.3"
+    ajv-keywords "^2.1.0"
     chalk "^2.1.0"
     lodash "^4.17.4"
     slice-ansi "1.0.0"
@@ -5926,12 +5914,6 @@ unset-value@^1.0.0:
     has-value "^0.3.1"
     isobject "^3.0.0"
 
-uri-js@^4.2.1:
-  version "4.2.2"
-  resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.2.2.tgz#94c540e1ff772956e2299507c010aea6c8838eb0"
-  dependencies:
-    punycode "^2.1.0"
-
 urix@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/urix/-/urix-0.1.0.tgz#da937f7a62e21fec1fd18d49b35c2935067a6c72"