diff --git a/History.md b/History.md
index 077eec931b..012d8a2ffe 100644
--- a/History.md
+++ b/History.md
@@ -10,6 +10,8 @@ unreleased
     - perf: skip parameter parsing when no parameters
   * deps: etag@~1.8.1
     - perf: replace regular expression with substring
+  * deps: qs@6.5.1
+    - Fix parsing & compacting very deep objects
   * deps: setprototypeof@1.1.0
 
 4.15.5 / 2017-09-24
diff --git a/package.json b/package.json
index 78834c5072..0bbfeb8e6e 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "parseurl": "~1.3.1",
     "path-to-regexp": "0.1.7",
     "proxy-addr": "~1.1.5",
-    "qs": "6.5.0",
+    "qs": "6.5.1",
     "range-parser": "~1.2.0",
     "send": "0.15.6",
     "serve-static": "1.12.6",