diff --git a/package.json b/package.json
index a679b3a..343a86e 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "connect-history-api-fallback": "^1.3.0",
     "express": "^4.15.2",
     "glob-to-regexp": "^0.3.0",
-    "http-proxy-middleware": "^0.17.4",
+    "http-proxy-middleware": "^0.20.0",
     "jsdom": "^9.4.5",
     "mkdirp": "^0.5.1",
     "safe-commander": "^2.11.1"