diff --git a/package.json b/package.json
index 443b281..16aa82c 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "globs-to-files": "1.0.0",
     "hbs": "2.4.0",
     "highlight.js": "7.5.0",
-    "http-proxy": "1.11.2",
+    "http-proxy": "1.18.1",
     "humanize-duration": "2.4.0",
     "istanbul-middleware": "0.2.2",
     "load-script": "0.0.5",
diff --git a/yarn.lock b/yarn.lock
index c41d9f4..e9c1911 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -796,7 +796,7 @@ compressible@~2.0.3:
 
 compression@1.5.0:
   version "1.5.0"
-  resolved "http://registry.npmjs.org/compression/-/compression-1.5.0.tgz#ccc1a54788da1b3ad7729c49f6a00b3ac9adf47f"
+  resolved "https://registry.npmjs.org/compression/-/compression-1.5.0.tgz#ccc1a54788da1b3ad7729c49f6a00b3ac9adf47f"
   dependencies:
     accepts "~1.2.9"
     bytes "2.1.0"
@@ -1245,9 +1245,9 @@ etag@~1.8.1:
   version "1.8.1"
   resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
 
-eventemitter3@1.x.x:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-1.2.0.tgz#1c86991d816ad1e504750e73874224ecf3bec508"
+eventemitter3@^4.0.0:
+  version "4.0.7"
+  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-4.0.7.tgz#2de9b68f6528d5644ef5c59526a1b4a07306169f"
 
 events@~1.1.0:
   version "1.1.1"
@@ -1442,6 +1442,10 @@ firefox-profile@0.2.7:
     wrench "~1.5.1"
     xml2js "~0.4.0"
 
+follow-redirects@^1.0.0:
+  version "1.13.0"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.13.0.tgz#b42e8d93a2a7eea5ed88633676d6597bc8e384db"
+
 for-in@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
@@ -1843,12 +1847,13 @@ http-errors@~1.6.2:
     setprototypeof "1.1.0"
     statuses ">= 1.4.0 < 2"
 
-http-proxy@1.11.2:
-  version "1.11.2"
-  resolved "https://registry.yarnpkg.com/http-proxy/-/http-proxy-1.11.2.tgz#c50d2fb06eca79d4238e66fd94393d2e41e63740"
+http-proxy@1.18.1:
+  version "1.18.1"
+  resolved "https://registry.yarnpkg.com/http-proxy/-/http-proxy-1.18.1.tgz#401541f0534884bbf95260334e72f88ee3976549"
   dependencies:
-    eventemitter3 "1.x.x"
-    requires-port "0.x.x"
+    eventemitter3 "^4.0.0"
+    follow-redirects "^1.0.0"
+    requires-port "^1.0.0"
 
 http-signature@~0.10.0:
   version "0.10.1"
@@ -3209,9 +3214,9 @@ request@~2.74.0:
     tough-cookie "~2.3.0"
     tunnel-agent "~0.4.1"
 
-requires-port@0.x.x:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-0.0.1.tgz#4b4414411d9df7c855995dd899a8c78a2951c16d"
+requires-port@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"
 
 resolve@0.7.x:
   version "0.7.4"