diff --git a/yarn.lock b/yarn.lock
index 1fe287d..cef7f06 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -292,9 +292,9 @@ after@0.8.1:
   version "0.8.1"
   resolved "https://registry.npmjs.org/after/-/after-0.8.1.tgz#ab5d4fb883f596816d3515f8f791c0af486dd627"
 
-agent-base@^4.1.0:
-  version "4.2.0"
-  resolved "https://registry.npmjs.org/agent-base/-/agent-base-4.2.0.tgz#9838b5c3392b962bad031e6a4c5e1024abec45ce"
+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"
 
@@ -1256,10 +1256,10 @@ dateformat@^1.0.6:
     meow "^3.3.0"
 
 debug@*, debug@^3.1.0:
-  version "3.1.0"
-  resolved "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
+  version "3.2.6"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
   dependencies:
-    ms "2.0.0"
+    ms "^2.1.1"
 
 debug@0.7.4, debug@^0.7.4:
   version "0.7.4"
@@ -1510,12 +1510,12 @@ es6-map@^0.1.3:
     event-emitter "~0.3.5"
 
 es6-promise@^4.0.3:
-  version "4.2.4"
-  resolved "https://registry.npmjs.org/es6-promise/-/es6-promise-4.2.4.tgz#dc4221c2b16518760bd8c39a52d8f356fc00ed29"
+  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"
-  resolved "https://registry.npmjs.org/es6-promisify/-/es6-promisify-5.0.0.tgz#5109d62f3e56ea967c4b63505aef08291c8a5203"
+  resolved "https://registry.yarnpkg.com/es6-promisify/-/es6-promisify-5.0.0.tgz#5109d62f3e56ea967c4b63505aef08291c8a5203"
   dependencies:
     es6-promise "^4.0.3"
 
@@ -2150,10 +2150,10 @@ https-browserify@~0.0.0:
   resolved "https://registry.npmjs.org/https-browserify/-/https-browserify-0.0.1.tgz#3f91365cabe60b77ed0ebba24b454e3e09d95a82"
 
 https-proxy-agent@^2.2.1:
-  version "2.2.1"
-  resolved "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-2.2.1.tgz#51552970fa04d723e04c56d04178c3f92592bbc0"
+  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"
+    agent-base "^4.3.0"
     debug "^3.1.0"
 
 iconv-lite@0.4.23, iconv-lite@^0.4.4:
@@ -2934,6 +2934,10 @@ ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.npmjs.org/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"
+
 mute-stream@0.0.5:
   version "0.0.5"
   resolved "https://registry.npmjs.org/mute-stream/-/mute-stream-0.0.5.tgz#8fbfabb0a98a253d3184331f9e8deb7372fac6c0"
@@ -3081,7 +3085,7 @@ once@1.x, once@^1.3.0, once@^1.4.0:
 
 onetime@^1.0.0:
   version "1.1.0"
-  resolved "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
+  resolved "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
 
 optimist@^0.6.1:
   version "0.6.1"