diff --git a/package.json b/package.json
index ccc8eec..340620c 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "karma-phantomjs-launcher": "^1.0.4",
     "karma-spec-reporter": "0.0.20",
     "karma-webpack": "^1.7.0",
-    "node-sass": "^3.7.0",
+    "node-sass": "^4.13.1",
     "react-addons-test-utils": "^15.4.2",
     "react-hot-loader": "^3.0.0-beta.6",
     "sass-loader": "^3.2.0",
diff --git a/yarn.lock b/yarn.lock
index 5bb43d7..bc668dc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -33,12 +33,14 @@ after@0.8.2:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/after/-/after-0.8.2.tgz#fedb394f9f0e02aa9768e702bda23b505fae7e1f"
 
-ajv@^4.9.1:
-  version "4.11.8"
-  resolved "https://registry.yarnpkg.com/ajv/-/ajv-4.11.8.tgz#82ffb02b29e662ae53bdc20af15947706739c536"
+ajv@^6.12.3:
+  version "6.12.4"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.4.tgz#0614facc4522127fa713445c6bfd3ebd376e2234"
   dependencies:
-    co "^4.6.0"
-    json-stable-stringify "^1.0.1"
+    fast-deep-equal "^3.1.1"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.4.1"
+    uri-js "^4.2.2"
 
 align-text@^0.1.1, align-text@^0.1.3:
   version "0.1.4"
@@ -201,10 +203,18 @@ aws-sign2@~0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.6.0.tgz#14342dd38dbcc94d0e5b87d763cd63612c0e794f"
 
+aws-sign2@~0.7.0:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.7.0.tgz#b46e890934a9591f2d2f6f86d7e6a9f1b3fe76a8"
+
 aws4@^1.2.1:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.6.0.tgz#83ef5ca860b2b32e4a0deedee8c771b9db57471e"
 
+aws4@^1.8.0:
+  version "1.10.1"
+  resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.10.1.tgz#e1e82e4f3e999e2cfd61b161280d16a111f86428"
+
 babel-code-frame@^6.22.0:
   version "6.22.0"
   resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-6.22.0.tgz#027620bee567a88c32561574e7fd0801d33118e4"
@@ -1297,10 +1307,6 @@ clone@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/clone/-/clone-1.0.2.tgz#260b7a99ebb1edfe247538175f783243cb19d149"
 
-co@^4.6.0:
-  version "4.6.0"
-  resolved "https://registry.yarnpkg.com/co/-/co-4.6.0.tgz#6ea6bdf3d853ae54ccb8e47bfa0bf3f9031fb184"
-
 coa@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/coa/-/coa-1.0.2.tgz#2ba9fec3b4aa43d7a49d7e6c3561e92061b6bcec"
@@ -1361,6 +1367,12 @@ combined-stream@^1.0.5, combined-stream@~1.0.5:
   dependencies:
     delayed-stream "~1.0.0"
 
+combined-stream@^1.0.6, combined-stream@~1.0.6:
+  version "1.0.8"
+  resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.8.tgz#c3d45a8b34fd730631a110a8a2520682b31d5a7f"
+  dependencies:
+    delayed-stream "~1.0.0"
+
 commander@^2.5.0, commander@^2.9.0:
   version "2.9.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.9.0.tgz#9c99094176e12240cb22d6c5146098400fe0f7d4"
@@ -2113,6 +2125,10 @@ extend@^3.0.0, extend@~3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
 
+extend@~3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.2.tgz#f8b1136b4071fbd8eb140aff858b1019ec2915fa"
+
 extglob@^0.3.1:
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/extglob/-/extglob-0.3.2.tgz#2e18ff3d2f49ab2765cec9023f011daa8d8349a1"
@@ -2149,6 +2165,14 @@ falafel@^1.0.0:
     isarray "0.0.1"
     object-keys "^1.0.6"
 
+fast-deep-equal@^3.1.1:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz#3a7d56b559d6cbc3eb512325244e619a65c6c525"
+
+fast-json-stable-stringify@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz#874bf69c6f404c2b5d99c481341399fd55892633"
+
 fast-levenshtein@~1.0.0:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-1.0.7.tgz#0178dcdee023b92905193af0959e8a7639cfdcb9"
@@ -2310,6 +2334,14 @@ form-data@~2.1.1:
     combined-stream "^1.0.5"
     mime-types "^2.1.12"
 
+form-data@~2.3.2:
+  version "2.3.3"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.3.3.tgz#dcce52c05f644f298c6a7ab936bd724ceffbf3a6"
+  dependencies:
+    asynckit "^0.4.0"
+    combined-stream "^1.0.6"
+    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"
@@ -2432,9 +2464,9 @@ glob@5.x, glob@^5.0.15:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@~7.1.1:
-  version "7.1.2"
-  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
+glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.2, glob@~7.1.1:
+  version "7.1.6"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
   dependencies:
     fs.realpath "^1.0.0"
     inflight "^1.0.4"
@@ -2484,9 +2516,9 @@ handlebars@^4.0.1:
   optionalDependencies:
     uglify-js "^3.1.4"
 
-har-schema@^1.0.5:
-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/har-schema/-/har-schema-1.0.5.tgz#d263135f43307c02c602afc8fe95970c0151369e"
+har-schema@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/har-schema/-/har-schema-2.0.0.tgz#a94c2224ebcac04782a0d9035521f24735b7ec92"
 
 har-validator@~2.0.6:
   version "2.0.6"
@@ -2497,12 +2529,12 @@ har-validator@~2.0.6:
     is-my-json-valid "^2.12.4"
     pinkie-promise "^2.0.0"
 
-har-validator@~4.2.1:
-  version "4.2.1"
-  resolved "https://registry.yarnpkg.com/har-validator/-/har-validator-4.2.1.tgz#33481d0f1bbff600dd203d75812a6a5fba002e2a"
+har-validator@~5.1.3:
+  version "5.1.5"
+  resolved "https://registry.yarnpkg.com/har-validator/-/har-validator-5.1.5.tgz#1f0803b9f8cb20c0fa13822df1ecddb36bde1efd"
   dependencies:
-    ajv "^4.9.1"
-    har-schema "^1.0.5"
+    ajv "^6.12.3"
+    har-schema "^2.0.0"
 
 has-ansi@^2.0.0:
   version "2.0.0"
@@ -2630,6 +2662,14 @@ http-signature@~1.1.0:
     jsprim "^1.2.2"
     sshpk "^1.7.0"
 
+http-signature@~1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/http-signature/-/http-signature-1.2.0.tgz#9aecd925114772f3d95b65a60abb8f7c18fbace1"
+  dependencies:
+    assert-plus "^1.0.0"
+    jsprim "^1.2.2"
+    sshpk "^1.7.0"
+
 https-browserify@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/https-browserify/-/https-browserify-0.0.1.tgz#3f91365cabe60b77ed0ebba24b454e3e09d95a82"
@@ -2946,16 +2986,14 @@ json-loader@^0.5.4:
   version "0.5.4"
   resolved "https://registry.yarnpkg.com/json-loader/-/json-loader-0.5.4.tgz#8baa1365a632f58a3c46d20175fc6002c96e37de"
 
+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@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/json-stable-stringify/-/json-stable-stringify-1.0.1.tgz#9a759d39c5f2ff503fd5300646ed445f88c4f9af"
-  dependencies:
-    jsonify "~0.0.0"
-
 json-stringify-safe@~5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
@@ -2978,10 +3016,6 @@ jsonfile@^2.1.0:
   optionalDependencies:
     graceful-fs "^4.1.6"
 
-jsonify@~0.0.0:
-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/jsonify/-/jsonify-0.0.0.tgz#2c74b6ee41d93ca51b7b5aaee8f503631d252a73"
-
 jsonpointer@^4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/jsonpointer/-/jsonpointer-4.0.1.tgz#4fd92cb34e0e9db3c89c8622ecf51f9b978c6cb9"
@@ -3195,20 +3229,12 @@ lodash.assign@^3.2.0:
     lodash._createassigner "^3.0.0"
     lodash.keys "^3.0.0"
 
-lodash.assign@^4.2.0:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/lodash.assign/-/lodash.assign-4.2.0.tgz#0d99f3ccd7a6d261d19bdaeb9245005d285808e7"
-
 lodash.camelcase@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/lodash.camelcase/-/lodash.camelcase-3.0.1.tgz#932c8b87f8a4377897c67197533282f97aeac298"
   dependencies:
     lodash._createcompounder "^3.0.0"
 
-lodash.clonedeep@^4.3.2:
-  version "4.5.0"
-  resolved "https://registry.yarnpkg.com/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz#e23f3f9c4f8fbdde872529c1071857a086e5ccef"
-
 lodash.deburr@^3.0.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/lodash.deburr/-/lodash.deburr-3.2.0.tgz#6da8f54334a366a7cf4c4c76ef8d80aa1b365ed5"
@@ -3270,9 +3296,9 @@ lodash@^3.10.0, lodash@^3.8.0, lodash@^3.9.3:
   version "3.10.1"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.10.1.tgz#5bf45e8e49ba4189e17d482789dfd15bd140b7b6"
 
-lodash@^4.0.0, lodash@^4.0.1, lodash@^4.17.2, lodash@^4.2.0, lodash@^4.6.1:
-  version "4.17.13"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.13.tgz#0bdc3a6adc873d2f4e0c4bac285df91b64fc7b93"
+lodash@^4.0.0, lodash@^4.0.1, lodash@^4.17.15, lodash@^4.17.2, lodash@^4.2.0, lodash@^4.6.1:
+  version "4.17.20"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
 
 lodash@~4.16.4:
   version "4.16.6"
@@ -3388,6 +3414,10 @@ micromatch@^2.1.5, micromatch@^2.3.11:
     parse-glob "^3.0.4"
     regex-cache "^0.4.2"
 
+mime-db@1.44.0:
+  version "1.44.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.44.0.tgz#fa11c5eb0aca1334b4233cb4d52f10c5a6272f92"
+
 "mime-db@>= 1.27.0 < 2", mime-db@~1.27.0:
   version "1.27.0"
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.27.0.tgz#820f572296bbd20ec25ed55e5b5de869e5436eb1"
@@ -3398,6 +3428,12 @@ mime-types@^2.1.12, mime-types@~2.1.11, mime-types@~2.1.15, mime-types@~2.1.7:
   dependencies:
     mime-db "~1.27.0"
 
+mime-types@~2.1.19:
+  version "2.1.27"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.27.tgz#47949f98e279ea53119f5722e0f34e529bec009f"
+  dependencies:
+    mime-db "1.44.0"
+
 mime@1.3.4:
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.3.4.tgz#115f9e3b6b3daf2959983cb38f149a2d40eb5d53"
@@ -3460,9 +3496,9 @@ ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
 
-nan@^2.3.0, nan@^2.3.2:
-  version "2.6.2"
-  resolved "https://registry.yarnpkg.com/nan/-/nan-2.6.2.tgz#e4ff34e6c95fdfb5aecc08de6596f43605a7db45"
+nan@^2.13.2, nan@^2.3.0:
+  version "2.14.1"
+  resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.1.tgz#d7be34dfa3105b91494c3147089315eff8874b01"
 
 negotiator@0.6.1:
   version "0.6.1"
@@ -3479,19 +3515,18 @@ node-fetch@^1.0.1:
     encoding "^0.1.11"
     is-stream "^1.0.1"
 
-node-gyp@^3.3.1:
-  version "3.6.1"
-  resolved "https://registry.yarnpkg.com/node-gyp/-/node-gyp-3.6.1.tgz#19561067ff185464aded478212681f47fd578cbc"
+node-gyp@^3.8.0:
+  version "3.8.0"
+  resolved "https://registry.yarnpkg.com/node-gyp/-/node-gyp-3.8.0.tgz#540304261c330e80d0d5edce253a68cb3964218c"
   dependencies:
     fstream "^1.0.0"
     glob "^7.0.3"
     graceful-fs "^4.1.2"
-    minimatch "^3.0.2"
     mkdirp "^0.5.0"
     nopt "2 || 3"
     npmlog "0 || 1 || 2 || 3 || 4"
     osenv "0"
-    request "2"
+    request "^2.87.0"
     rimraf "2"
     semver "~5.3.0"
     tar "^2.0.0"
@@ -3539,9 +3574,9 @@ node-pre-gyp@^0.6.29:
     tar "^2.2.1"
     tar-pack "^3.4.0"
 
-node-sass@^3.7.0:
-  version "3.13.1"
-  resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-3.13.1.tgz#7240fbbff2396304b4223527ed3020589c004fc2"
+node-sass@^4.13.1:
+  version "4.13.1"
+  resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.13.1.tgz#9db5689696bb2eec2c32b98bfea4c7a2e992d0a3"
   dependencies:
     async-foreach "^0.1.3"
     chalk "^1.1.1"
@@ -3550,15 +3585,16 @@ node-sass@^3.7.0:
     get-stdin "^4.0.1"
     glob "^7.0.3"
     in-publish "^2.0.0"
-    lodash.assign "^4.2.0"
-    lodash.clonedeep "^4.3.2"
+    lodash "^4.17.15"
     meow "^3.7.0"
     mkdirp "^0.5.1"
-    nan "^2.3.2"
-    node-gyp "^3.3.1"
+    nan "^2.13.2"
+    node-gyp "^3.8.0"
     npmlog "^4.0.0"
-    request "^2.61.0"
-    sass-graph "^2.1.1"
+    request "^2.88.0"
+    sass-graph "^2.2.4"
+    stdout-stream "^1.4.0"
+    "true-case-path" "^1.0.2"
 
 "nopt@2 || 3", nopt@3.x:
   version "3.0.6"
@@ -3626,6 +3662,10 @@ oauth-sign@~0.8.1:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.8.2.tgz#46a6ab7f0aead8deae9ec0565780b7d4efeb9d43"
 
+oauth-sign@~0.9.0:
+  version "0.9.0"
+  resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.9.0.tgz#47a7b016baa68b5fa0ecf3dee08a85c679ac6455"
+
 object-assign@4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.0.tgz#7a3b3d0e98063d43f4c03f2e8ae6cd51a86883a0"
@@ -3827,9 +3867,9 @@ pend@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/pend/-/pend-1.2.0.tgz#7a57eb550a6783f9115331fcf4663d5c8e007a50"
 
-performance-now@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-0.2.0.tgz#33ef30c5c77d4ea21c5a53869d91b56d8f2555e5"
+performance-now@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
 
 phantomjs-prebuilt@^2.1.7:
   version "2.1.14"
@@ -4171,6 +4211,10 @@ pseudomap@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/pseudomap/-/pseudomap-1.0.2.tgz#f052a28da70e618917ef0a8ac34c1ae5a68286b3"
 
+psl@^1.1.28:
+  version "1.8.0"
+  resolved "https://registry.yarnpkg.com/psl/-/psl-1.8.0.tgz#9326f8bcfb013adcc005fdff056acce020e51c24"
+
 punycode@1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.3.2.tgz#9653a036fb7c1ee42342f2325cceefea3926c48d"
@@ -4179,11 +4223,15 @@ punycode@^1.2.4, punycode@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
 
+punycode@^2.1.0, punycode@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.1.1.tgz#b58b010ac40c22c5657616c8d2c2c02c7bf479ec"
+
 q@^1.1.2:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/q/-/q-1.5.0.tgz#dd01bac9d06d30e6f219aecb8253ee9ebdc308f1"
 
-qs@6.4.0, qs@~6.4.0:
+qs@6.4.0:
   version "6.4.0"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.4.0.tgz#13e26d28ad6b0ffaa91312cd3bf708ed351e7233"
 
@@ -4191,6 +4239,10 @@ qs@~6.3.0:
   version "6.3.2"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.3.2.tgz#e75bd5f6e268122a2a0e0bda630b2550c166502c"
 
+qs@~6.5.2:
+  version "6.5.2"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
+
 query-string@^3.0.0:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/query-string/-/query-string-3.0.3.tgz#ae2e14b4d05071d4e9b9eb4873c35b0dcd42e638"
@@ -4562,32 +4614,30 @@ request-progress@~2.0.1:
   dependencies:
     throttleit "^1.0.0"
 
-request@2, request@^2.61.0, request@^2.81.0:
-  version "2.81.0"
-  resolved "https://registry.yarnpkg.com/request/-/request-2.81.0.tgz#c6928946a0e06c5f8d6f8a9333469ffda46298a0"
+request@^2.81.0, request@^2.87.0, request@^2.88.0:
+  version "2.88.2"
+  resolved "https://registry.yarnpkg.com/request/-/request-2.88.2.tgz#d73c918731cb5a87da047e207234146f664d12b3"
   dependencies:
-    aws-sign2 "~0.6.0"
-    aws4 "^1.2.1"
+    aws-sign2 "~0.7.0"
+    aws4 "^1.8.0"
     caseless "~0.12.0"
-    combined-stream "~1.0.5"
-    extend "~3.0.0"
+    combined-stream "~1.0.6"
+    extend "~3.0.2"
     forever-agent "~0.6.1"
-    form-data "~2.1.1"
-    har-validator "~4.2.1"
-    hawk "~3.1.3"
-    http-signature "~1.1.0"
+    form-data "~2.3.2"
+    har-validator "~5.1.3"
+    http-signature "~1.2.0"
     is-typedarray "~1.0.0"
     isstream "~0.1.2"
     json-stringify-safe "~5.0.1"
-    mime-types "~2.1.7"
-    oauth-sign "~0.8.1"
-    performance-now "^0.2.0"
-    qs "~6.4.0"
-    safe-buffer "^5.0.1"
-    stringstream "~0.0.4"
-    tough-cookie "~2.3.0"
+    mime-types "~2.1.19"
+    oauth-sign "~0.9.0"
+    performance-now "^2.1.0"
+    qs "~6.5.2"
+    safe-buffer "^5.1.2"
+    tough-cookie "~2.5.0"
     tunnel-agent "^0.6.0"
-    uuid "^3.0.0"
+    uuid "^3.3.2"
 
 request@~2.79.0:
   version "2.79.0"
@@ -4660,9 +4710,13 @@ safe-buffer@^5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.0.1.tgz#d263ca54696cd8a306b5ca6551e92de57918fbe7"
 
-sass-graph@^2.1.1:
-  version "2.2.4"
-  resolved "https://registry.yarnpkg.com/sass-graph/-/sass-graph-2.2.4.tgz#13fbd63cd1caf0908b9fd93476ad43a51d1e0b49"
+safe-buffer@^5.1.2:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
+
+sass-graph@^2.2.4:
+  version "2.2.6"
+  resolved "https://registry.yarnpkg.com/sass-graph/-/sass-graph-2.2.6.tgz#09fda0e4287480e3e4967b72a2d133ba09b8d827"
   dependencies:
     glob "^7.0.0"
     lodash "^4.0.0"
@@ -4980,6 +5034,12 @@ static-module@^1.1.0:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.3.1.tgz#faf51b9eb74aaef3b3acf4ad5f61abf24cb7b93e"
 
+stdout-stream@^1.4.0:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/stdout-stream/-/stdout-stream-1.4.1.tgz#5ac174cdd5cd726104aa0c0b2bd83815d8d535de"
+  dependencies:
+    readable-stream "^2.0.1"
+
 stream-browserify@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/stream-browserify/-/stream-browserify-2.0.1.tgz#66266ee5f9bdb9940a4e4514cafb43bb71e5c9db"
@@ -5173,6 +5233,13 @@ tough-cookie@~2.3.0:
   dependencies:
     punycode "^1.4.1"
 
+tough-cookie@~2.5.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.5.0.tgz#cd9fb2a0aa1d5a12b473bd9fb96fa3dcff65ade2"
+  dependencies:
+    psl "^1.1.28"
+    punycode "^2.1.1"
+
 trim-newlines@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/trim-newlines/-/trim-newlines-1.0.0.tgz#5887966bb582a4503a41eb524f7d35011815a613"
@@ -5181,6 +5248,12 @@ trim-right@^1.0.0, trim-right@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
 
+"true-case-path@^1.0.2":
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/true-case-path/-/true-case-path-1.0.3.tgz#f813b5a8c86b40da59606722b144e3225799f47d"
+  dependencies:
+    glob "^7.1.2"
+
 try-resolve@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/try-resolve/-/try-resolve-1.0.1.tgz#cfde6fabd72d63e5797cfaab873abbe8e700e912"
@@ -5274,6 +5347,12 @@ unpipe@1.0.0, unpipe@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
 
+uri-js@^4.2.2:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.4.0.tgz#aa714261de793e8a82347a7bcc9ce74e86f28602"
+  dependencies:
+    punycode "^2.1.0"
+
 url-parse@1.0.x:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/url-parse/-/url-parse-1.0.5.tgz#0854860422afdcfefeb6c965c662d4800169927b"
@@ -5328,6 +5407,10 @@ uuid@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.0.1.tgz#6544bba2dfda8c1cf17e629a3a305e2bb1fee6c1"
 
+uuid@^3.3.2:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.4.0.tgz#b23e4358afa8a202fe7a100af1f5f883f02007ee"
+
 validate-npm-package-license@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.1.tgz#2804babe712ad3379459acfbe24746ab2c303fbc"