diff --git a/yarn.lock b/yarn.lock
index 2b5ad06..8dd8236 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2299,10 +2299,6 @@ combined-stream@^1.0.6, combined-stream@~1.0.6:
   dependencies:
     delayed-stream "~1.0.0"
 
-comma-separated-tokens@^1.0.0:
-  version "1.0.7"
-  resolved "https://registry.yarnpkg.com/comma-separated-tokens/-/comma-separated-tokens-1.0.7.tgz#419cd7fb3258b1ed838dc0953167a25e152f5b59"
-
 commander@2.17.x:
   version "2.17.1"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
@@ -3335,9 +3331,9 @@ etag@~1.8.1:
   version "1.8.1"
   resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
 
-eventemitter3@^3.0.0:
-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-3.1.2.tgz#2d3d48f9c346698fce83a85d7d664e98535df6e7"
+eventemitter3@^4.0.0:
+  version "4.0.7"
+  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-4.0.7.tgz#2de9b68f6528d5644ef5c59526a1b4a07306169f"
 
 events@^3.0.0:
   version "3.0.0"
@@ -3632,10 +3628,8 @@ flush-write-stream@^1.0.0:
     readable-stream "^2.3.6"
 
 follow-redirects@^1.0.0:
-  version "1.7.0"
-  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.7.0.tgz#489ebc198dc0e7f64167bd23b03c4c19b5784c76"
-  dependencies:
-    debug "^3.2.6"
+  version "1.13.0"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.13.0.tgz#b42e8d93a2a7eea5ed88633676d6597bc8e384db"
 
 for-in@^0.1.3:
   version "0.1.8"
@@ -3877,10 +3871,6 @@ graceful-fs@^4.1.11, graceful-fs@^4.1.15, graceful-fs@^4.1.2, graceful-fs@^4.1.6
   version "4.1.15"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.15.tgz#ffb703e1066e8a0eeaa4c8b80ba9253eeefbfb00"
 
-growly@^1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/growly/-/growly-1.3.0.tgz#f10748cbe76af964b7c96c93c6bcc28af120c081"
-
 gzip-size@5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/gzip-size/-/gzip-size-5.0.0.tgz#a55ecd99222f4c48fd8c01c625ce3b349d0a0e80"
@@ -3992,10 +3982,6 @@ hast-util-from-parse5@^5.0.0:
     web-namespaces "^1.1.2"
     xtend "^4.0.1"
 
-hast-util-parse-selector@^2.2.0:
-  version "2.2.2"
-  resolved "https://registry.yarnpkg.com/hast-util-parse-selector/-/hast-util-parse-selector-2.2.2.tgz#66aabccb252c47d94975f50a281446955160380b"
-
 hastscript@^5.0.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/hastscript/-/hastscript-5.1.0.tgz#a19b3cca6a26a2bcd0f1b1eac574af9427c1c7df"
@@ -4128,10 +4114,10 @@ http-proxy-middleware@^0.19.1:
     micromatch "^3.1.10"
 
 http-proxy@^1.17.0:
-  version "1.17.0"
-  resolved "https://registry.yarnpkg.com/http-proxy/-/http-proxy-1.17.0.tgz#7ad38494658f84605e2f6db4436df410f4e5be9a"
+  version "1.18.1"
+  resolved "https://registry.yarnpkg.com/http-proxy/-/http-proxy-1.18.1.tgz#401541f0534884bbf95260334e72f88ee3976549"
   dependencies:
-    eventemitter3 "^3.0.0"
+    eventemitter3 "^4.0.0"
     follow-redirects "^1.0.0"
     requires-port "^1.0.0"
 
@@ -6953,7 +6939,7 @@ prop-types@^15.6.2, prop-types@^15.7.2:
     object-assign "^4.1.1"
     react-is "^16.8.1"
 
-property-information@^5.0.0, property-information@^5.0.1:
+property-information@^5.0.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/property-information/-/property-information-5.1.0.tgz#e4755eee5319f03f7f6f5a9bc1a6a7fea6609e2c"
   dependencies:
@@ -7786,10 +7772,6 @@ shell-quote@1.6.1:
     array-reduce "~0.0.0"
     jsonify "~0.0.0"
 
-shellwords@^0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/shellwords/-/shellwords-0.1.1.tgz#d6b9181c1a48d397324c84871efbcfc73fc0654b"
-
 signal-exit@^3.0.0, signal-exit@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
@@ -7898,10 +7880,6 @@ source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.0, source-map@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
 
-space-separated-tokens@^1.0.0:
-  version "1.1.4"
-  resolved "https://registry.yarnpkg.com/space-separated-tokens/-/space-separated-tokens-1.1.4.tgz#27910835ae00d0adfcdbd0ad7e611fb9544351fa"
-
 spdx-correct@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-3.1.0.tgz#fb83e504445268f154b074e218c87c003cd31df4"
@@ -8894,7 +8872,7 @@ which-module@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
 
-which@^1.2.9, which@^1.3.0, which@^1.3.1:
+which@^1.2.9, which@^1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/which/-/which-1.3.1.tgz#a45043d54f5805316da8d62f9f50918d3da70b0a"
   dependencies: