diff --git a/CHANGELOG.md b/CHANGELOG.md
index e295def3..eab69411 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## v1.7.7 (2017-11-27)
+
+* More permissive support for the `className` prop of `Map`.
+
 ## v1.7.6 (2017-11-23)
 
 * Fixed supporting `Popup` children in `CircleMarker`.
diff --git a/package.json b/package.json
index b66f6d7e..141f5d99 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,8 @@
     "build:umd": "cross-env BABEL_ENV=rollup NODE_ENV=development rollup -c",
     "build:umd:min": "cross-env BABEL_ENV=rollup NODE_ENV=production rollup -c",
     "build:flow": "flow-copy-source src lib && flow-copy-source src es",
-    "build": "npm run clean && npm run build:cjs && npm run build:es && npm run build:flow && npm run build:umd && npm run build:umd:min",
+    "build":
+      "npm run clean && npm run build:cjs && npm run build:es && npm run build:flow && npm run build:umd && npm run build:umd:min",
     "jest": "cross-env BABEL_ENV=development NODE_ENV=test jest",
     "jest:watch": "cross-env BABEL_ENV=development NODE_ENV=test jest --watch",
     "lint": "eslint ./src",
@@ -21,18 +22,14 @@
     "test:watch": "npm run lint && npm run flow && npm run jest:watch",
     "start": "npm run test && npm run build",
     "prepublishOnly": "npm run build",
-    "examples": "webpack-dev-server --config ./example/webpack.config.babel.js --progress"
+    "examples":
+      "webpack-dev-server --config ./example/webpack.config.babel.js --progress"
   },
   "repository": {
     "type": "git",
     "url": "https://github.com/PaulLeCam/react-leaflet.git"
   },
-  "keywords": [
-    "react-component",
-    "react",
-    "leaflet",
-    "map"
-  ],
+  "keywords": ["react-component", "react", "leaflet", "map"],
   "author": "Paul Le Cam <paul@ulem.net>",
   "license": "MIT",
   "bugs": {
@@ -64,8 +61,8 @@
     "babel-preset-react": "^6.24.1",
     "babel-preset-stage-1": "^6.24.1",
     "cross-env": "^5.1.1",
-    "eslint": "^4.11.0",
-    "eslint-config-prettier": "^2.8.0",
+    "eslint": "^4.12.0",
+    "eslint-config-prettier": "^2.9.0",
     "eslint-plugin-flowtype": "^2.39.1",
     "eslint-plugin-import": "^2.8.0",
     "eslint-plugin-node": "^5.2.1",
@@ -83,20 +80,18 @@
     "react": "^16.1.1",
     "react-dom": "^16.1.1",
     "rimraf": "^2.6.2",
-    "rollup": "^0.51.8",
+    "rollup": "^0.52.0",
     "rollup-plugin-babel": "^3.0.2",
     "rollup-plugin-commonjs": "^8.2.6",
     "rollup-plugin-node-resolve": "^3.0.0",
     "rollup-plugin-replace": "^2.0.0",
     "rollup-plugin-uglify": "^2.0.1",
     "webpack": "^3.8.1",
-    "webpack-dev-server": "^2.9.4"
+    "webpack-dev-server": "^2.9.5"
   },
   "jest": {
     "collectCoverage": true,
-    "setupFiles": [
-      "raf/polyfill"
-    ],
+    "setupFiles": ["raf/polyfill"],
     "transform": {
       ".*": "<rootDir>/node_modules/babel-jest"
     }
diff --git a/src/Map.js b/src/Map.js
index dbddf922..dedaf7ad 100644
--- a/src/Map.js
+++ b/src/Map.js
@@ -35,11 +35,11 @@ const OTHER_PROPS = [
   'whenReady',
 ]
 
-const normalizeCenter = (pos: LatLng): [number, number] => {
-  return Array.isArray(pos)
-    ? [pos[0], pos[1]]
-    : [pos.lat, pos.lon ? pos.lon : pos.lng]
-}
+const normalizeCenter = (pos: LatLng): [number, number] =>
+  Array.isArray(pos) ? [pos[0], pos[1]] : [pos.lat, pos.lon ? pos.lon : pos.lng]
+
+const splitClassName = (className: string = ''): Array<string> =>
+  className.split(' ').filter(Boolean)
 
 type LeafletElement = LeafletMap
 
@@ -177,12 +177,12 @@ export default class Map extends MapComponent<LeafletElement, Props> {
 
     if (className !== fromProps.className) {
       if (fromProps.className != null && fromProps.className.length > 0) {
-        forEach(fromProps.className.split(' '), cls => {
+        forEach(splitClassName(fromProps.className), cls => {
           DomUtil.removeClass(this.container, cls)
         })
       }
       if (className != null && className.length > 0) {
-        forEach(className.split(' '), cls => {
+        forEach(splitClassName(className), cls => {
           DomUtil.addClass(this.container, cls)
         })
       }
diff --git a/yarn.lock b/yarn.lock
index 758dd5ca..84a94145 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -63,7 +63,7 @@ abbrev@1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.0.tgz#d0554c2256636e2f56e7c2e5ad183f859428d81f"
 
-accepts@~1.3.3:
+accepts@~1.3.3, accepts@~1.3.4:
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.4.tgz#86246758c7dd6d21a6474ff084a4740ec05eb21f"
   dependencies:
@@ -1121,6 +1121,21 @@ bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.4.0:
   version "4.11.8"
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
 
+body-parser@1.18.2:
+  version "1.18.2"
+  resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.18.2.tgz#87678a19d84b47d859b83199bd59bce222b10454"
+  dependencies:
+    bytes "3.0.0"
+    content-type "~1.0.4"
+    debug "2.6.9"
+    depd "~1.1.1"
+    http-errors "~1.6.2"
+    iconv-lite "0.4.19"
+    on-finished "~2.3.0"
+    qs "6.5.1"
+    raw-body "2.3.2"
+    type-is "~1.6.15"
+
 bonjour@^3.5.0:
   version "3.5.0"
   resolved "https://registry.yarnpkg.com/bonjour/-/bonjour-3.5.0.tgz#8e890a183d8ee9a2393b3844c691a42bcf7bc9f5"
@@ -1256,6 +1271,10 @@ bytes@2.5.0:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-2.5.0.tgz#4c9423ea2d252c270c41b2bdefeff9bb6b62c06a"
 
+bytes@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.0.0.tgz#d32815404d689699f85a4ea4fa8755dd13a96048"
+
 caller-path@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/caller-path/-/caller-path-0.1.0.tgz#94085ef63581ecd3daa92444a8fe94e82577751f"
@@ -1480,9 +1499,9 @@ content-type-parser@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/content-type-parser/-/content-type-parser-1.0.1.tgz#c3e56988c53c65127fb46d4032a3a900246fdc94"
 
-content-type@~1.0.2:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.2.tgz#b7d113aee7a8dd27bd21133c4dc2529df1721eed"
+content-type@~1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
 
 convert-source-map@^1.4.0, convert-source-map@^1.5.0:
   version "1.5.0"
@@ -1609,6 +1628,12 @@ debug@2.6.8, debug@^2.2.0, debug@^2.6.3, debug@^2.6.6, debug@^2.6.8:
   dependencies:
     ms "2.0.0"
 
+debug@2.6.9:
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
+  dependencies:
+    ms "2.0.0"
+
 debug@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.0.1.tgz#0564c612b521dc92d9f2988f0549e34f9c98db64"
@@ -1757,6 +1782,12 @@ doctrine@^2.0.0:
     esutils "^2.0.2"
     isarray "^1.0.0"
 
+doctrine@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-2.0.2.tgz#68f96ce8efc56cc42651f1faadb4f175273b0075"
+  dependencies:
+    esutils "^2.0.2"
+
 domain-browser@^1.1.1:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/domain-browser/-/domain-browser-1.1.7.tgz#867aa4b093faa05f1de08c06f4d7b21fdf8698bc"
@@ -1920,9 +1951,9 @@ escope@^3.6.0:
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
 
-eslint-config-prettier@^2.8.0:
-  version "2.8.0"
-  resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-2.8.0.tgz#929861a11de0249677686eba908118175d1a26bc"
+eslint-config-prettier@^2.9.0:
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-2.9.0.tgz#5ecd65174d486c22dff389fe036febf502d468a3"
   dependencies:
     get-stdin "^5.0.1"
 
@@ -1997,9 +2028,9 @@ eslint-scope@^3.7.1:
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
 
-eslint@^4.11.0:
-  version "4.11.0"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.11.0.tgz#39a8c82bc0a3783adf5a39fa27fdd9d36fac9a34"
+eslint@^4.12.0:
+  version "4.12.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.12.0.tgz#a7ce78eba8cc8f2443acfbbc870cc31a65135884"
   dependencies:
     ajv "^5.3.0"
     babel-code-frame "^6.22.0"
@@ -2007,7 +2038,7 @@ eslint@^4.11.0:
     concat-stream "^1.6.0"
     cross-spawn "^5.1.0"
     debug "^3.0.1"
-    doctrine "^2.0.0"
+    doctrine "^2.0.2"
     eslint-scope "^3.7.1"
     espree "^3.5.2"
     esquery "^1.0.0"
@@ -2016,7 +2047,7 @@ eslint@^4.11.0:
     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"
@@ -2140,9 +2171,9 @@ esutils@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
 
-etag@~1.8.0:
-  version "1.8.0"
-  resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.0.tgz#6f631aef336d6c46362b51764044ce216be3c051"
+etag@~1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
 
 event-emitter@~0.3.5:
   version "0.3.5"
@@ -2213,38 +2244,40 @@ expect@^21.2.1:
     jest-message-util "^21.2.1"
     jest-regex-util "^21.2.0"
 
-express@^4.13.3:
-  version "4.15.4"
-  resolved "https://registry.yarnpkg.com/express/-/express-4.15.4.tgz#032e2253489cf8fce02666beca3d11ed7a2daed1"
+express@^4.16.2:
+  version "4.16.2"
+  resolved "https://registry.yarnpkg.com/express/-/express-4.16.2.tgz#e35c6dfe2d64b7dca0a5cd4f21781be3299e076c"
   dependencies:
-    accepts "~1.3.3"
+    accepts "~1.3.4"
     array-flatten "1.1.1"
+    body-parser "1.18.2"
     content-disposition "0.5.2"
-    content-type "~1.0.2"
+    content-type "~1.0.4"
     cookie "0.3.1"
     cookie-signature "1.0.6"
-    debug "2.6.8"
+    debug "2.6.9"
     depd "~1.1.1"
     encodeurl "~1.0.1"
     escape-html "~1.0.3"
-    etag "~1.8.0"
-    finalhandler "~1.0.4"
-    fresh "0.5.0"
+    etag "~1.8.1"
+    finalhandler "1.1.0"
+    fresh "0.5.2"
     merge-descriptors "1.0.1"
     methods "~1.1.2"
     on-finished "~2.3.0"
-    parseurl "~1.3.1"
+    parseurl "~1.3.2"
     path-to-regexp "0.1.7"
-    proxy-addr "~1.1.5"
-    qs "6.5.0"
+    proxy-addr "~2.0.2"
+    qs "6.5.1"
     range-parser "~1.2.0"
-    send "0.15.4"
-    serve-static "1.12.4"
-    setprototypeof "1.0.3"
+    safe-buffer "5.1.1"
+    send "0.16.1"
+    serve-static "1.13.1"
+    setprototypeof "1.1.0"
     statuses "~1.3.1"
     type-is "~1.6.15"
-    utils-merge "1.0.0"
-    vary "~1.1.1"
+    utils-merge "1.0.1"
+    vary "~1.1.2"
 
 extend@~3.0.0:
   version "3.0.1"
@@ -2348,15 +2381,15 @@ fill-range@^2.1.0:
     repeat-element "^1.1.2"
     repeat-string "^1.5.2"
 
-finalhandler@~1.0.4:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/finalhandler/-/finalhandler-1.0.4.tgz#18574f2e7c4b98b8ae3b230c21f201f31bdb3fb7"
+finalhandler@1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/finalhandler/-/finalhandler-1.1.0.tgz#ce0b6855b45853e791b2fcc680046d88253dd7f5"
   dependencies:
-    debug "2.6.8"
+    debug "2.6.9"
     encodeurl "~1.0.1"
     escape-html "~1.0.3"
     on-finished "~2.3.0"
-    parseurl "~1.3.1"
+    parseurl "~1.3.2"
     statuses "~1.3.1"
     unpipe "~1.0.0"
 
@@ -2436,13 +2469,13 @@ form-data@~2.1.1:
     combined-stream "^1.0.5"
     mime-types "^2.1.12"
 
-forwarded@~0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.0.tgz#19ef9874c4ae1c297bcf078fde63a09b66a84363"
+forwarded@~0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.2.tgz#98c23dab1175657b8c0573e8ceccd91b0ff18c84"
 
-fresh@0.5.0:
-  version "0.5.0"
-  resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.0.tgz#f474ca5e6a9246d6fd8e0953cfa9b9c805afa78e"
+fresh@0.5.2:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
 
 fs-extra@^3.0.1:
   version "3.0.1"
@@ -2555,6 +2588,10 @@ globals@^10.0.0:
   version "10.1.0"
   resolved "https://registry.yarnpkg.com/globals/-/globals-10.1.0.tgz#4425a1881be0d336b4a823a82a7be725d5dd987c"
 
+globals@^11.0.1:
+  version "11.0.1"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-11.0.1.tgz#12a87bb010e5154396acc535e1e43fc753b0e5e8"
+
 globals@^9.17.0, globals@^9.18.0:
   version "9.18.0"
   resolved "https://registry.yarnpkg.com/globals/-/globals-9.18.0.tgz#aa3896b3e69b487f17e31ed2143d69a8e30c2d8a"
@@ -2712,7 +2749,7 @@ http-deceiver@^1.2.7:
   version "1.2.7"
   resolved "https://registry.yarnpkg.com/http-deceiver/-/http-deceiver-1.2.7.tgz#fa7168944ab9a519d337cb0bec7284dc3e723d87"
 
-http-errors@~1.6.1, http-errors@~1.6.2:
+http-errors@1.6.2, http-errors@~1.6.1, http-errors@~1.6.2:
   version "1.6.2"
   resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.6.2.tgz#0a002cc85707192a7e7946ceedc11155f60ec736"
   dependencies:
@@ -2753,6 +2790,10 @@ iconv-lite@0.4.13:
   version "0.4.13"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.13.tgz#1f88aba4ab0b1508e8312acc39345f36e992e2f2"
 
+iconv-lite@0.4.19:
+  version "0.4.19"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
+
 iconv-lite@^0.4.17, iconv-lite@~0.4.13:
   version "0.4.18"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.18.tgz#23d8656b16aae6742ac29732ea8f0336a4789cf2"
@@ -2856,9 +2897,9 @@ ip@^1.1.0, ip@^1.1.5:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/ip/-/ip-1.1.5.tgz#bdded70114290828c0a039e72ef25f5aaec4354a"
 
-ipaddr.js@1.4.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.4.0.tgz#296aca878a821816e5b85d0a285a99bcff4582f0"
+ipaddr.js@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.5.2.tgz#d4b505bde9946987ccf0fc58d9010ff9607e3fa0"
 
 is-arrayish@^0.2.1:
   version "0.2.1"
@@ -3697,9 +3738,9 @@ mime-types@^2.1.12, mime-types@~2.1.15, mime-types@~2.1.16, mime-types@~2.1.7:
   dependencies:
     mime-db "~1.30.0"
 
-mime@1.3.4:
-  version "1.3.4"
-  resolved "https://registry.yarnpkg.com/mime/-/mime-1.3.4.tgz#115f9e3b6b3daf2959983cb38f149a2d40eb5d53"
+mime@1.4.1:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-1.4.1.tgz#121f9ebc49e3766f311a76e1fa1c8003c4b03aa6"
 
 mime@^1.3.4:
   version "1.4.0"
@@ -4063,6 +4104,10 @@ parseurl@~1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.1.tgz#c8ab8c9223ba34888aa64a297b28853bec18da56"
 
+parseurl@~1.3.2:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.2.tgz#fc289d4ed8993119460c156253262cdc8de65bf3"
+
 path-browserify@0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/path-browserify/-/path-browserify-0.0.0.tgz#a0b870729aae214005b7d5032ec2cbbb0fb4451a"
@@ -4251,12 +4296,12 @@ prop-types@^15.6.0:
     loose-envify "^1.3.1"
     object-assign "^4.1.1"
 
-proxy-addr@~1.1.5:
-  version "1.1.5"
-  resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-1.1.5.tgz#71c0ee3b102de3f202f3b64f608d173fcba1a918"
+proxy-addr@~2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-2.0.2.tgz#6571504f47bb988ec8180253f85dd7e14952bdec"
   dependencies:
-    forwarded "~0.1.0"
-    ipaddr.js "1.4.0"
+    forwarded "~0.1.2"
+    ipaddr.js "1.5.2"
 
 prr@~0.0.0:
   version "0.0.0"
@@ -4284,9 +4329,9 @@ punycode@^1.2.4, punycode@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
 
-qs@6.5.0:
-  version "6.5.0"
-  resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.0.tgz#8d04954d364def3efc55b5a0793e1e2c8b1e6e49"
+qs@6.5.1:
+  version "6.5.1"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.1.tgz#349cdf6eef89ec45c12d7d5eb3fc0c870343a6d8"
 
 qs@~6.4.0:
   version "6.4.0"
@@ -4331,6 +4376,15 @@ range-parser@^1.0.3, range-parser@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.0.tgz#f49be6b487894ddc40dcc94a322f611092e00d5e"
 
+raw-body@2.3.2:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/raw-body/-/raw-body-2.3.2.tgz#bcd60c77d3eb93cde0050295c3f379389bc88f89"
+  dependencies:
+    bytes "3.0.0"
+    http-errors "1.6.2"
+    iconv-lite "0.4.19"
+    unpipe "1.0.0"
+
 rc@^1.1.7:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/rc/-/rc-1.2.1.tgz#2e03e8e42ee450b8cb3dce65be1bf8974e1dfd95"
@@ -4647,9 +4701,9 @@ rollup-pluginutils@^2.0.1:
     estree-walker "^0.3.0"
     micromatch "^2.3.11"
 
-rollup@^0.51.8:
-  version "0.51.8"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.51.8.tgz#58bd0b642885f4770b5f93cc64f14e4233c2236d"
+rollup@^0.52.0:
+  version "0.52.0"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.52.0.tgz#cdb6927f53bf7b7fb09af3a936b9c8ee49b161e2"
 
 run-async@^2.2.0:
   version "2.3.0"
@@ -4707,19 +4761,19 @@ semver@5.3.0:
   version "5.3.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"
 
-send@0.15.4:
-  version "0.15.4"
-  resolved "https://registry.yarnpkg.com/send/-/send-0.15.4.tgz#985faa3e284b0273c793364a35c6737bd93905b9"
+send@0.16.1:
+  version "0.16.1"
+  resolved "https://registry.yarnpkg.com/send/-/send-0.16.1.tgz#a70e1ca21d1382c11d0d9f6231deb281080d7ab3"
   dependencies:
-    debug "2.6.8"
+    debug "2.6.9"
     depd "~1.1.1"
     destroy "~1.0.4"
     encodeurl "~1.0.1"
     escape-html "~1.0.3"
-    etag "~1.8.0"
-    fresh "0.5.0"
+    etag "~1.8.1"
+    fresh "0.5.2"
     http-errors "~1.6.2"
-    mime "1.3.4"
+    mime "1.4.1"
     ms "2.0.0"
     on-finished "~2.3.0"
     range-parser "~1.2.0"
@@ -4737,14 +4791,14 @@ serve-index@^1.7.2:
     mime-types "~2.1.15"
     parseurl "~1.3.1"
 
-serve-static@1.12.4:
-  version "1.12.4"
-  resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-1.12.4.tgz#9b6aa98eeb7253c4eedc4c1f6fdbca609901a961"
+serve-static@1.13.1:
+  version "1.13.1"
+  resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-1.13.1.tgz#4c57d53404a761d8f2e7c1e8a18a47dbf278a719"
   dependencies:
     encodeurl "~1.0.1"
     escape-html "~1.0.3"
-    parseurl "~1.3.1"
-    send "0.15.4"
+    parseurl "~1.3.2"
+    send "0.16.1"
 
 set-blocking@^2.0.0, set-blocking@~2.0.0:
   version "2.0.0"
@@ -4762,6 +4816,10 @@ setprototypeof@1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.0.3.tgz#66567e37043eeb4f04d91bd658c0cbefb55b8e04"
 
+setprototypeof@1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.1.0.tgz#d0bd85536887b6fe7c0d818cb962d9d91c54e656"
+
 sha.js@^2.4.0, sha.js@^2.4.8:
   version "2.4.8"
   resolved "https://registry.yarnpkg.com/sha.js/-/sha.js-2.4.8.tgz#37068c2c476b6baf402d14a49c67f597921f634f"
@@ -5240,7 +5298,7 @@ universalify@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/universalify/-/universalify-0.1.1.tgz#fa71badd4437af4c148841e3b3b165f9e9e590b7"
 
-unpipe@~1.0.0:
+unpipe@1.0.0, unpipe@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
 
@@ -5279,9 +5337,9 @@ util@0.10.3, util@^0.10.3:
   dependencies:
     inherits "2.0.1"
 
-utils-merge@1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.0.tgz#0294fb922bb9375153541c4f7096231f287c8af8"
+utils-merge@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
 
 uuid@^2.0.2:
   version "2.0.3"
@@ -5308,6 +5366,10 @@ vary@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.1.tgz#67535ebb694c1d52257457984665323f587e8d37"
 
+vary@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
+
 verror@1.10.0:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/verror/-/verror-1.10.0.tgz#3a105ca17053af55d6e270c1f8288682e18da400"
@@ -5374,9 +5436,9 @@ webpack-dev-middleware@^1.11.0:
     range-parser "^1.0.3"
     time-stamp "^2.0.0"
 
-webpack-dev-server@^2.9.4:
-  version "2.9.4"
-  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-2.9.4.tgz#7883e61759c6a4b33e9b19ec4037bd4ab61428d1"
+webpack-dev-server@^2.9.5:
+  version "2.9.5"
+  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-2.9.5.tgz#79336fba0087a66ae491f4869f6545775b18daa8"
   dependencies:
     ansi-html "0.0.7"
     array-includes "^3.0.3"
@@ -5386,7 +5448,7 @@ webpack-dev-server@^2.9.4:
     connect-history-api-fallback "^1.3.0"
     debug "^3.1.0"
     del "^3.0.0"
-    express "^4.13.3"
+    express "^4.16.2"
     html-entities "^1.2.0"
     http-proxy-middleware "~0.17.4"
     import-local "^0.1.1"