diff --git a/yarn.lock b/yarn.lock
index fcb9db5..44cebce 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -503,10 +503,6 @@ commander@^2.9.0:
   dependencies:
     graceful-readlink ">= 1.0.0"
 
-component-emitter@^1.2.0:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.2.1.tgz#137918d6d78283f7df7a6b7c5a63e140e69425e6"
-
 compressible@~2.0.8:
   version "2.0.9"
   resolved "https://registry.yarnpkg.com/compressible/-/compressible-2.0.9.tgz#6daab4e2b599c2770dd9e21e7a891b1c5a755425"
@@ -578,10 +574,6 @@ cookie@0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.3.1.tgz#e7e0a1f9ef43b4c8ba925c5c5a96e806d16873bb"
 
-cookiejar@^2.0.6:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/cookiejar/-/cookiejar-2.1.0.tgz#86549689539b6d0e269b6637a304be508194d898"
-
 core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
@@ -1132,7 +1124,7 @@ forever-agent@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
 
-form-data@^2.1.1, form-data@~2.1.1:
+form-data@~2.1.1:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.1.2.tgz#89c3534008b97eada4cbb157d58f6f5df025eae4"
   dependencies:
@@ -1140,10 +1132,6 @@ form-data@^2.1.1, form-data@~2.1.1:
     combined-stream "^1.0.5"
     mime-types "^2.1.12"
 
-formidable@^1.0.17:
-  version "1.0.17"
-  resolved "https://registry.yarnpkg.com/formidable/-/formidable-1.0.17.tgz#ef5491490f9433b705faa77249c99029ae348559"
-
 forwarded@~0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.0.tgz#19ef9874c4ae1c297bcf078fde63a09b66a84363"
@@ -2159,7 +2147,7 @@ merge-descriptors@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"
 
-methods@^1.1.1, methods@~1.1.2:
+methods@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
 
@@ -3024,7 +3012,7 @@ qs@6.2.0:
   version "6.2.0"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.2.0.tgz#3b7848c03c2dece69a9522b0fae8c4126d745f3b"
 
-qs@^6.1.0, qs@~6.3.0:
+qs@~6.3.0:
   version "6.3.0"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.3.0.tgz#f403b264f23bc01228c74131b407f18d5ea5d442"
 
@@ -3492,10 +3480,6 @@ stdout-stream@^1.4.0:
   dependencies:
     readable-stream "^2.0.1"
 
-store@^1.3.20:
-  version "1.3.20"
-  resolved "https://registry.yarnpkg.com/store/-/store-1.3.20.tgz#13ea7e3fb2d6c239868265d686b1d84e99c5be3e"
-
 stream-browserify@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/stream-browserify/-/stream-browserify-2.0.1.tgz#66266ee5f9bdb9940a4e4514cafb43bb71e5c9db"
@@ -3582,21 +3566,6 @@ style-loader@^0.13.1:
   dependencies:
     loader-utils "^0.2.7"
 
-superagent@^3.3.1:
-  version "3.3.1"
-  resolved "https://registry.yarnpkg.com/superagent/-/superagent-3.3.1.tgz#b171b974f0a76da65e1f00430c8cb7a8b52a404c"
-  dependencies:
-    component-emitter "^1.2.0"
-    cookiejar "^2.0.6"
-    debug "^2.2.0"
-    extend "^3.0.0"
-    form-data "^2.1.1"
-    formidable "^1.0.17"
-    methods "^1.1.1"
-    mime "^1.3.4"
-    qs "^6.1.0"
-    readable-stream "^2.0.5"
-
 supports-color@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-0.2.0.tgz#d92de2694eb3f67323973d7ae3d8b55b4c22190a"
@@ -3982,8 +3951,8 @@ websocket-driver@>=0.5.1:
     websocket-extensions ">=0.1.1"
 
 websocket-extensions@>=0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/websocket-extensions/-/websocket-extensions-0.1.1.tgz#76899499c184b6ef754377c2dbb0cd6cb55d29e7"
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/websocket-extensions/-/websocket-extensions-0.1.4.tgz#7f8473bc839dfd87608adb95d7eb075211578a42"
 
 whet.extend@~0.9.9:
   version "0.9.9"