diff --git a/package.json b/package.json
index 900fe0b8a8..b48e58a2c3 100644
--- a/package.json
+++ b/package.json
@@ -43,8 +43,8 @@
     "getmac": "1.0.7",
     "graceful-fs": "4.1.11",
     "html-query-plan": "git://github.com/anthonydresser/html-query-plan.git#2.4",
-    "http-proxy-agent": "0.2.7",
-    "https-proxy-agent": "0.3.6",
+    "http-proxy-agent": "^2.1.0",
+    "https-proxy-agent": "^2.2.1",
     "iconv-lite": "0.4.19",
     "jquery": "3.1.0",
     "jschardet": "1.6.0",
diff --git a/yarn.lock b/yarn.lock
index 2b0c0184f2..b9f0646384 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -124,9 +124,11 @@ acorn@^5.2.1:
   version "5.2.1"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.2.1.tgz#317ac7821826c22c702d66189ab8359675f135d7"
 
-agent-base@~1.0.1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-1.0.2.tgz#6890d3fb217004b62b70f8928e0fae5f8952a706"
+agent-base@4, agent-base@^4.1.0:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-4.2.1.tgz#d89e5999f797875674c07d87f260fc41e83e8ca9"
+  dependencies:
+    es6-promisify "^5.0.0"
 
 ajv-keywords@^1.0.0:
   version "1.5.1"
@@ -1300,7 +1302,7 @@ debug-fabulous@0.0.X:
     lazy-debug-legacy "0.0.X"
     object-assign "4.1.0"
 
-debug@2, debug@2.2.0, debug@~2.2.0:
+debug@2.2.0, debug@~2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.2.0.tgz#f87057e995b1a1f6ae6a4960664137bc56f039da"
   dependencies:
@@ -1312,6 +1314,12 @@ debug@2.6.9, debug@2.X, debug@^2.1.1, debug@^2.1.3, debug@^2.2.0, debug@^2.3.3:
   dependencies:
     ms "2.0.0"
 
+debug@3.1.0, debug@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
+  dependencies:
+    ms "2.0.0"
+
 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"
@@ -1630,6 +1638,16 @@ es6-map@^0.1.3:
     es6-symbol "~3.1.1"
     event-emitter "~0.3.5"
 
+es6-promise@^4.0.3:
+  version "4.2.4"
+  resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-4.2.4.tgz#dc4221c2b16518760bd8c39a52d8f356fc00ed29"
+
+es6-promisify@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/es6-promisify/-/es6-promisify-5.0.0.tgz#5109d62f3e56ea967c4b63505aef08291c8a5203"
+  dependencies:
+    es6-promise "^4.0.3"
+
 es6-set@~0.1.5:
   version "0.1.5"
   resolved "https://registry.yarnpkg.com/es6-set/-/es6-set-0.1.5.tgz#d2b3ec5d4d800ced818db538d28974db0a73ccb1"
@@ -1916,10 +1934,6 @@ extend-shallow@^3.0.0, extend-shallow@^3.0.2:
     assign-symbols "^1.0.0"
     is-extendable "^1.0.1"
 
-extend@3:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.0.tgz#5a474353b9f3353ddd8176dfd37b91c83a46f1d4"
-
 extend@^3.0.0, extend@~3.0.0, extend@~3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
@@ -3057,13 +3071,12 @@ http-errors@1.6.2, http-errors@~1.6.2:
     setprototypeof "1.0.3"
     statuses ">= 1.3.1 < 2"
 
-http-proxy-agent@0.2.7:
-  version "0.2.7"
-  resolved "https://registry.yarnpkg.com/http-proxy-agent/-/http-proxy-agent-0.2.7.tgz#e17fda65f0902d952ce7921e62c7ff8862655a5e"
+http-proxy-agent@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/http-proxy-agent/-/http-proxy-agent-2.1.0.tgz#e4821beef5b2142a2026bd73926fe537631c5405"
   dependencies:
-    agent-base "~1.0.1"
-    debug "2"
-    extend "3"
+    agent-base "4"
+    debug "3.1.0"
 
 http-signature@~0.10.0:
   version "0.10.1"
@@ -3089,13 +3102,12 @@ http-signature@~1.2.0:
     jsprim "^1.2.2"
     sshpk "^1.7.0"
 
-https-proxy-agent@0.3.6:
-  version "0.3.6"
-  resolved "https://registry.yarnpkg.com/https-proxy-agent/-/https-proxy-agent-0.3.6.tgz#713fa38e5d353f50eb14a342febe29033ed1619b"
+https-proxy-agent@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/https-proxy-agent/-/https-proxy-agent-2.2.1.tgz#51552970fa04d723e04c56d04178c3f92592bbc0"
   dependencies:
-    agent-base "~1.0.1"
-    debug "2"
-    extend "3"
+    agent-base "^4.1.0"
+    debug "^3.1.0"
 
 husky@^0.13.1:
   version "0.13.4"