diff --git a/.travis.yml b/.travis.yml
index 35c91456..bba335ed 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language: node_js
-cache:
-  directories:
-  - node_modules
+#cache:
+#  directories:
+#  - node_modules
 node_js:
     - "7"
     - "6"
diff --git a/package.json b/package.json
index 86ae414a..1f157ded 100644
--- a/package.json
+++ b/package.json
@@ -65,12 +65,12 @@
     "isparta-loader": "2.0.0",
     "jade": "1.11.0",
     "jade-loader": "0.8.0",
-    "karma": "1.3.0",
+    "karma": "1.4.1",
     "karma-chai": "0.1.0",
     "karma-chrome-launcher": "1.0.1",
     "karma-coverage": "1.1.1",
     "karma-coveralls": "1.1.2",
-    "karma-mocha": "1.2.0",
+    "karma-mocha": "1.3.0",
     "karma-phantomjs-launcher": "1.0.2",
     "karma-sinon-chai": "1.2.4",
     "karma-sourcemap-loader": "0.3.7",
diff --git a/yarn.lock b/yarn.lock
index d001067d..725da1fb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -13,14 +13,7 @@ abbrev@1, abbrev@1.0.x:
   version "1.0.9"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.0.9.tgz#91b4792588a7738c25f35dd6f63752a2f8776135"
 
-accepts@1.1.4:
-  version "1.1.4"
-  resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.1.4.tgz#d71c96f7d41d0feda2c38cd14e8a27c04158df4a"
-  dependencies:
-    mime-types "~2.0.4"
-    negotiator "0.4.9"
-
-accepts@~1.3.3:
+accepts@1.3.3, accepts@~1.3.3:
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.3.tgz#c3ca7434938648c3e0d9c1e328dd68b622c284ca"
   dependencies:
@@ -59,9 +52,9 @@ add-stream@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/add-stream/-/add-stream-1.0.0.tgz#6a7990437ca736d5e1288db92bd3266d5f5cb2aa"
 
-after@0.8.1:
-  version "0.8.1"
-  resolved "https://registry.yarnpkg.com/after/-/after-0.8.1.tgz#ab5d4fb883f596816d3515f8f791c0af486dd627"
+after@0.8.2:
+  version "0.8.2"
+  resolved "https://registry.yarnpkg.com/after/-/after-0.8.2.tgz#fedb394f9f0e02aa9768e702bda23b505fae7e1f"
 
 ajv-keywords@^1.0.0:
   version "1.5.1"
@@ -830,17 +823,17 @@ balanced-match@^0.4.1, balanced-match@^0.4.2:
   version "0.4.2"
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-0.4.2.tgz#cb3f3e3c732dc0f01ee70b403f302e61d7709838"
 
-base64-arraybuffer@0.1.2:
-  version "0.1.2"
-  resolved "https://registry.yarnpkg.com/base64-arraybuffer/-/base64-arraybuffer-0.1.2.tgz#474df4a9f2da24e05df3158c3b1db3c3cd46a154"
+base64-arraybuffer@0.1.5:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/base64-arraybuffer/-/base64-arraybuffer-0.1.5.tgz#73926771923b5a19747ad666aa5cd4bf9c6e9ce8"
 
 base64-js@^1.0.2:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.2.0.tgz#a39992d723584811982be5e290bb6a53d86700f1"
 
-base64id@0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/base64id/-/base64id-0.1.0.tgz#02ce0fdeee0cef4f40080e1e73e834f0b1bfce3f"
+base64id@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/base64id/-/base64id-1.0.0.tgz#47688cb99bb6804f0e06d3e763b1c32e57d8e6b6"
 
 batch@0.5.3:
   version "0.5.3"
@@ -852,10 +845,6 @@ bcrypt-pbkdf@^1.0.0:
   dependencies:
     tweetnacl "^0.14.3"
 
-benchmark@1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/benchmark/-/benchmark-1.0.0.tgz#2f1e2fa4c359f11122aa183082218e957e390c73"
-
 better-assert@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/better-assert/-/better-assert-1.0.2.tgz#40866b9e1b9e0b55b481894311e68faffaebc522"
@@ -1262,9 +1251,9 @@ component-emitter@1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.1.2.tgz#296594f2753daa63996d2af08d15a95116c9aec3"
 
-component-emitter@1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.2.0.tgz#ccd113a86388d06482d03de3fc7df98526ba8efe"
+component-emitter@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.2.1.tgz#137918d6d78283f7df7a6b7c5a63e140e69425e6"
 
 component-inherit@0.0.3:
   version "0.0.3"
@@ -1711,6 +1700,12 @@ debug@2.2.0, debug@^2.1.1, debug@^2.2.0, debug@~2.2.0:
   dependencies:
     ms "0.7.1"
 
+debug@2.3.3:
+  version "2.3.3"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.3.3.tgz#40c453e67e6e13c901ddec317af8986cda9eff8c"
+  dependencies:
+    ms "0.7.2"
+
 debug@2.6.0:
   version "2.6.0"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.0.tgz#bc596bcabe7617f11d9fa15361eded5608b8499b"
@@ -1879,43 +1874,44 @@ encodeurl@~1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.1.tgz#79e3d58655346909fe6f0f45a5de68103b294d20"
 
-engine.io-client@1.6.9:
-  version "1.6.9"
-  resolved "https://registry.yarnpkg.com/engine.io-client/-/engine.io-client-1.6.9.tgz#1d6ad48048a5083c95096943b29d36efdb212401"
+engine.io-client@1.8.2:
+  version "1.8.2"
+  resolved "https://registry.yarnpkg.com/engine.io-client/-/engine.io-client-1.8.2.tgz#c38767547f2a7d184f5752f6f0ad501006703766"
   dependencies:
-    component-emitter "1.1.2"
+    component-emitter "1.2.1"
     component-inherit "0.0.3"
-    debug "2.2.0"
-    engine.io-parser "1.2.4"
+    debug "2.3.3"
+    engine.io-parser "1.3.2"
     has-cors "1.1.0"
     indexof "0.0.1"
-    parsejson "0.0.1"
-    parseqs "0.0.2"
-    parseuri "0.0.4"
-    ws "1.0.1"
-    xmlhttprequest-ssl "1.5.1"
+    parsejson "0.0.3"
+    parseqs "0.0.5"
+    parseuri "0.0.5"
+    ws "1.1.1"
+    xmlhttprequest-ssl "1.5.3"
     yeast "0.1.2"
 
-engine.io-parser@1.2.4:
-  version "1.2.4"
-  resolved "https://registry.yarnpkg.com/engine.io-parser/-/engine.io-parser-1.2.4.tgz#e0897b0bf14e792d4cd2a5950553919c56948c42"
+engine.io-parser@1.3.2:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/engine.io-parser/-/engine.io-parser-1.3.2.tgz#937b079f0007d0893ec56d46cb220b8cb435220a"
   dependencies:
-    after "0.8.1"
+    after "0.8.2"
     arraybuffer.slice "0.0.6"
-    base64-arraybuffer "0.1.2"
+    base64-arraybuffer "0.1.5"
     blob "0.0.4"
-    has-binary "0.1.6"
-    utf8 "2.1.0"
+    has-binary "0.1.7"
+    wtf-8 "1.0.0"
 
-engine.io@1.6.10:
-  version "1.6.10"
-  resolved "https://registry.yarnpkg.com/engine.io/-/engine.io-1.6.10.tgz#f87d84e1bd21d1a2ec7f8deef0c62054acdfb27a"
+engine.io@1.8.2:
+  version "1.8.2"
+  resolved "https://registry.yarnpkg.com/engine.io/-/engine.io-1.8.2.tgz#6b59be730b348c0125b0a4589de1c355abcf7a7e"
   dependencies:
-    accepts "1.1.4"
-    base64id "0.1.0"
-    debug "2.2.0"
-    engine.io-parser "1.2.4"
-    ws "1.0.1"
+    accepts "1.3.3"
+    base64id "1.0.0"
+    cookie "0.3.1"
+    debug "2.3.3"
+    engine.io-parser "1.3.2"
+    ws "1.1.1"
 
 enhanced-resolve@~0.9.0:
   version "0.9.1"
@@ -2682,12 +2678,6 @@ has-ansi@^2.0.0:
   dependencies:
     ansi-regex "^2.0.0"
 
-has-binary@0.1.6:
-  version "0.1.6"
-  resolved "https://registry.yarnpkg.com/has-binary/-/has-binary-0.1.6.tgz#25326f39cfa4f616ad8787894e3af2cfbc7b6e10"
-  dependencies:
-    isarray "0.0.1"
-
 has-binary@0.1.7:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/has-binary/-/has-binary-0.1.7.tgz#68e61eb16210c9545a0a5cce06a873912fe1e68c"
@@ -3286,10 +3276,6 @@ json-stringify-safe@^5.0.1, 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"
 
-json3@3.2.6:
-  version "3.2.6"
-  resolved "https://registry.yarnpkg.com/json3/-/json3-3.2.6.tgz#f6efc93c06a04de9aec53053df2559bb19e2038b"
-
 json3@3.3.2, json3@^3.3.2:
   version "3.3.2"
   resolved "https://registry.yarnpkg.com/json3/-/json3-3.3.2.tgz#3c0434743df93e2f5c42aee7b19bcb483575f4e1"
@@ -3366,9 +3352,11 @@ karma-coveralls@1.1.2:
     coveralls "~2.11.2"
     glob "~5.0.0"
 
-karma-mocha@1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/karma-mocha/-/karma-mocha-1.2.0.tgz#bca6be2a66805b847417e8d2873fd0b5b27ee7cd"
+karma-mocha@1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/karma-mocha/-/karma-mocha-1.3.0.tgz#eeaac7ffc0e201eb63c467440d2b69c7cf3778bf"
+  dependencies:
+    minimist "1.2.0"
 
 karma-phantomjs-launcher@1.0.2:
   version "1.0.2"
@@ -3405,9 +3393,9 @@ karma-webpack@1.8.0:
     source-map "^0.1.41"
     webpack-dev-middleware "^1.0.11"
 
-karma@1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/karma/-/karma-1.3.0.tgz#b2b94e8f499fadd0069d54f9aef4a4d48ec5cc1f"
+karma@1.4.1:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/karma/-/karma-1.4.1.tgz#41981a71d54237606b0a3ea8c58c90773f41650e"
   dependencies:
     bluebird "^3.3.0"
     body-parser "^1.12.4"
@@ -3419,7 +3407,7 @@ karma@1.3.0:
     di "^0.0.1"
     dom-serialize "^2.2.0"
     expand-braces "^0.1.1"
-    glob "^7.0.3"
+    glob "^7.1.1"
     graceful-fs "^4.1.2"
     http-proxy "^1.13.0"
     isbinaryfile "^3.0.0"
@@ -3431,10 +3419,11 @@ karma@1.3.0:
     qjobs "^1.1.4"
     range-parser "^1.2.0"
     rimraf "^2.3.3"
-    socket.io "1.4.7"
+    safe-buffer "^5.0.1"
+    socket.io "1.7.2"
     source-map "^0.5.3"
     tmp "0.0.28"
-    useragent "^2.1.9"
+    useragent "^2.1.10"
 
 kew@~0.7.0:
   version "0.7.0"
@@ -3839,22 +3828,12 @@ micromatch@^2.1.5, micromatch@^2.3.11:
   version "1.26.0"
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.26.0.tgz#eaffcd0e4fc6935cf8134da246e2e6c35305adff"
 
-mime-db@~1.12.0:
-  version "1.12.0"
-  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.12.0.tgz#3d0c63180f458eb10d325aaa37d7c58ae312e9d7"
-
 mime-types@^2.1.12, mime-types@~2.1.11, mime-types@~2.1.13, mime-types@~2.1.7:
   version "2.1.14"
   resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.14.tgz#f7ef7d97583fcaf3b7d282b6f8b5679dab1e94ee"
   dependencies:
     mime-db "~1.26.0"
 
-mime-types@~2.0.4:
-  version "2.0.14"
-  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.0.14.tgz#310e159db23e077f8bb22b748dabfa4957140aa6"
-  dependencies:
-    mime-db "~1.12.0"
-
 mime@1.3.4, mime@^1.3.4:
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.3.4.tgz#115f9e3b6b3daf2959983cb38f149a2d40eb5d53"
@@ -3957,10 +3936,6 @@ ncname@1.0.x:
   dependencies:
     xml-char-classes "^1.0.0"
 
-negotiator@0.4.9:
-  version "0.4.9"
-  resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.4.9.tgz#92e46b6db53c7e421ed64a2bc94f08be7630df3f"
-
 negotiator@0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
@@ -4116,6 +4091,10 @@ oauth-sign@~0.8.1:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.8.2.tgz#46a6ab7f0aead8deae9ec0565780b7d4efeb9d43"
 
+object-assign@4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.0.tgz#7a3b3d0e98063d43f4c03f2e8ae6cd51a86883a0"
+
 object-assign@^4.0.1, object-assign@^4.1.0:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
@@ -4251,21 +4230,21 @@ parse-json@^2.2.0:
   dependencies:
     error-ex "^1.2.0"
 
-parsejson@0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/parsejson/-/parsejson-0.0.1.tgz#9b10c6c0d825ab589e685153826de0a3ba278bcc"
+parsejson@0.0.3:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/parsejson/-/parsejson-0.0.3.tgz#ab7e3759f209ece99437973f7d0f1f64ae0e64ab"
   dependencies:
     better-assert "~1.0.0"
 
-parseqs@0.0.2:
-  version "0.0.2"
-  resolved "https://registry.yarnpkg.com/parseqs/-/parseqs-0.0.2.tgz#9dfe70b2cddac388bde4f35b1f240fa58adbe6c7"
+parseqs@0.0.5:
+  version "0.0.5"
+  resolved "https://registry.yarnpkg.com/parseqs/-/parseqs-0.0.5.tgz#d5208a3738e46766e291ba2ea173684921a8b89d"
   dependencies:
     better-assert "~1.0.0"
 
-parseuri@0.0.4:
-  version "0.0.4"
-  resolved "https://registry.yarnpkg.com/parseuri/-/parseuri-0.0.4.tgz#806582a39887e1ea18dd5e2fe0e01902268e9350"
+parseuri@0.0.5:
+  version "0.0.5"
+  resolved "https://registry.yarnpkg.com/parseuri/-/parseuri-0.0.5.tgz#80204a50d4dbb779bfdc6ebe2778d90e4bce320a"
   dependencies:
     better-assert "~1.0.0"
 
@@ -5012,6 +4991,10 @@ rx-lite@^3.1.2:
   version "3.1.2"
   resolved "https://registry.yarnpkg.com/rx-lite/-/rx-lite-3.1.2.tgz#19ce502ca572665f3b647b10939f97fd1615f102"
 
+safe-buffer@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.0.1.tgz#d263ca54696cd8a306b5ca6551e92de57918fbe7"
+
 samsam@1.1.2, samsam@~1.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/samsam/-/samsam-1.1.2.tgz#bec11fdc83a9fda063401210e40176c3024d1567"
@@ -5165,59 +5148,49 @@ sntp@1.x.x:
   dependencies:
     hoek "2.x.x"
 
-socket.io-adapter@0.4.0:
-  version "0.4.0"
-  resolved "https://registry.yarnpkg.com/socket.io-adapter/-/socket.io-adapter-0.4.0.tgz#fb9f82ab1aa65290bf72c3657955b930a991a24f"
+socket.io-adapter@0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/socket.io-adapter/-/socket.io-adapter-0.5.0.tgz#cb6d4bb8bec81e1078b99677f9ced0046066bb8b"
   dependencies:
-    debug "2.2.0"
-    socket.io-parser "2.2.2"
+    debug "2.3.3"
+    socket.io-parser "2.3.1"
 
-socket.io-client@1.4.6:
-  version "1.4.6"
-  resolved "https://registry.yarnpkg.com/socket.io-client/-/socket.io-client-1.4.6.tgz#49b0ba537efd15b8297c84016e642e1c7c752c3d"
+socket.io-client@1.7.2:
+  version "1.7.2"
+  resolved "https://registry.yarnpkg.com/socket.io-client/-/socket.io-client-1.7.2.tgz#39fdb0c3dd450e321b7e40cfd83612ec533dd644"
   dependencies:
     backo2 "1.0.2"
     component-bind "1.0.0"
-    component-emitter "1.2.0"
-    debug "2.2.0"
-    engine.io-client "1.6.9"
+    component-emitter "1.2.1"
+    debug "2.3.3"
+    engine.io-client "1.8.2"
     has-binary "0.1.7"
     indexof "0.0.1"
     object-component "0.0.3"
-    parseuri "0.0.4"
-    socket.io-parser "2.2.6"
+    parseuri "0.0.5"
+    socket.io-parser "2.3.1"
     to-array "0.1.4"
 
-socket.io-parser@2.2.2:
-  version "2.2.2"
-  resolved "https://registry.yarnpkg.com/socket.io-parser/-/socket.io-parser-2.2.2.tgz#3d7af6b64497e956b7d9fe775f999716027f9417"
-  dependencies:
-    benchmark "1.0.0"
-    component-emitter "1.1.2"
-    debug "0.7.4"
-    isarray "0.0.1"
-    json3 "3.2.6"
-
-socket.io-parser@2.2.6:
-  version "2.2.6"
-  resolved "https://registry.yarnpkg.com/socket.io-parser/-/socket.io-parser-2.2.6.tgz#38dfd61df50dcf8ab1d9e2091322bf902ba28b99"
+socket.io-parser@2.3.1:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/socket.io-parser/-/socket.io-parser-2.3.1.tgz#dd532025103ce429697326befd64005fcfe5b4a0"
   dependencies:
-    benchmark "1.0.0"
     component-emitter "1.1.2"
     debug "2.2.0"
     isarray "0.0.1"
     json3 "3.3.2"
 
-socket.io@1.4.7:
-  version "1.4.7"
-  resolved "https://registry.yarnpkg.com/socket.io/-/socket.io-1.4.7.tgz#92b7f7cb88c5797d4daee279fe8075dbe6d3fa1c"
+socket.io@1.7.2:
+  version "1.7.2"
+  resolved "https://registry.yarnpkg.com/socket.io/-/socket.io-1.7.2.tgz#83bbbdf2e79263b378900da403e7843e05dc3b71"
   dependencies:
-    debug "2.2.0"
-    engine.io "1.6.10"
+    debug "2.3.3"
+    engine.io "1.8.2"
     has-binary "0.1.7"
-    socket.io-adapter "0.4.0"
-    socket.io-client "1.4.6"
-    socket.io-parser "2.2.6"
+    object-assign "4.1.0"
+    socket.io-adapter "0.5.0"
+    socket.io-client "1.7.2"
+    socket.io-parser "2.3.1"
 
 sockjs-client@^1.0.3:
   version "1.1.2"
@@ -5723,17 +5696,13 @@ user-home@^2.0.0:
   dependencies:
     os-homedir "^1.0.0"
 
-useragent@^2.1.9:
+useragent@^2.1.10:
   version "2.1.12"
   resolved "https://registry.yarnpkg.com/useragent/-/useragent-2.1.12.tgz#aa7da6cdc48bdc37ba86790871a7321d64edbaa2"
   dependencies:
     lru-cache "2.2.x"
     tmp "0.0.x"
 
-utf8@2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/utf8/-/utf8-2.1.0.tgz#0cfec5c8052d44a23e3aaa908104e8075f95dfd5"
-
 util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
@@ -5994,20 +5963,24 @@ write@^0.2.1:
   dependencies:
     mkdirp "^0.5.1"
 
-ws@1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-1.0.1.tgz#7d0b2a2e58cddd819039c29c9de65045e1b310e9"
+ws@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-1.1.1.tgz#082ddb6c641e85d4bb451f03d52f06eabdb1f018"
   dependencies:
     options ">=0.0.5"
     ultron "1.0.x"
 
+wtf-8@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/wtf-8/-/wtf-8-1.0.0.tgz#392d8ba2d0f1c34d1ee2d630f15d0efb68e1048a"
+
 xml-char-classes@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/xml-char-classes/-/xml-char-classes-1.0.0.tgz#64657848a20ffc5df583a42ad8a277b4512bbc4d"
 
-xmlhttprequest-ssl@1.5.1:
-  version "1.5.1"
-  resolved "https://registry.yarnpkg.com/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.1.tgz#3b7741fea4a86675976e908d296d4445961faa67"
+xmlhttprequest-ssl@1.5.3:
+  version "1.5.3"
+  resolved "https://registry.yarnpkg.com/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.3.tgz#185a888c04eca46c3e4070d99f7b49de3528992d"
 
 xtend@^4.0.0, xtend@~4.0.1:
   version "4.0.1"