diff --git a/yarn.lock b/yarn.lock
index e22f378..8948e30 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -41,9 +41,9 @@ address@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/address/-/address-1.0.3.tgz#b5f50631f8d6cec8bd20c963963afb55e06cbce9"
 
-agent-base@^4.1.0:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-4.1.1.tgz#92d8a4fc2524a3b09b3666a33b6c97960f23d6a4"
+agent-base@^4.3.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-4.3.0.tgz#8165f01c436009bccad0b1d122f05ed770efc6ee"
   dependencies:
     es6-promisify "^5.0.0"
 
@@ -1617,12 +1617,18 @@ debug@2.2.0:
   dependencies:
     ms "0.7.1"
 
-debug@2.6.8, debug@^2.1.1, debug@^2.2.0, debug@^2.4.1, debug@^2.6.6, debug@^2.6.8:
+debug@2.6.8, debug@^2.1.1, debug@^2.2.0, debug@^2.6.6, debug@^2.6.8:
   version "2.6.8"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.8.tgz#e731531ca2ede27d188222427da17821d68ff4fc"
   dependencies:
     ms "2.0.0"
 
+debug@^3.1.0:
+  version "3.2.6"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
+  dependencies:
+    ms "^2.1.1"
+
 decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
@@ -1951,8 +1957,8 @@ es6-promise@^3.0.2:
   resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-3.3.1.tgz#a08cdde84ccdbf34d027a1451bc91d4bcd28a613"
 
 es6-promise@^4.0.3:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-4.1.1.tgz#8811e90915d9a0dba36274f0b242dbda78f9c92a"
+  version "4.2.8"
+  resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-4.2.8.tgz#4eb21594c972bc40553d276e510539143db53e0a"
 
 es6-promisify@^5.0.0:
   version "5.0.0"
@@ -2875,11 +2881,11 @@ https-browserify@0.0.1:
   resolved "https://registry.yarnpkg.com/https-browserify/-/https-browserify-0.0.1.tgz#3f91365cabe60b77ed0ebba24b454e3e09d95a82"
 
 https-proxy-agent@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/https-proxy-agent/-/https-proxy-agent-2.1.0.tgz#1391bee7fd66aeabc0df2a1fa90f58954f43e443"
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/https-proxy-agent/-/https-proxy-agent-2.2.4.tgz#4ee7a737abd92678a293d9b34a1af4d0d08c787b"
   dependencies:
-    agent-base "^4.1.0"
-    debug "^2.4.1"
+    agent-base "^4.3.0"
+    debug "^3.1.0"
 
 iconv-lite@~0.4.13:
   version "0.4.18"
@@ -3759,6 +3765,10 @@ ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
 
+ms@^2.1.1:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
+
 multicast-dns-service-types@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/multicast-dns-service-types/-/multicast-dns-service-types-1.1.0.tgz#899f11d9686e5e05cb91b35d5f0e63b773cfc901"