diff --git a/HISTORY.md b/HISTORY.md
index 33fe0a8..5824c1a 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,3 +1,14 @@
+unreleased
+==========
+
+  * deps: http-errors@~1.5.1
+    - Support new code `421 Misdirected Request`
+    - Use `setprototypeof` module to replace `__proto__` setting
+    - deps: inherits@2.0.3
+    - deps: setprototypeof@1.0.2
+    - deps: statuses@'>= 1.3.1 < 2'
+    - perf: enable strict mode
+
 2016-02-27 / 1.2.0
 ==================
 
diff --git a/package.json b/package.json
index c9b49ee..4eff74e 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
   "repository": "jshttp/http-assert",
   "dependencies": {
     "deep-equal": "~1.0.0",
-    "http-errors": "~1.4.0"
+    "http-errors": "~1.5.1"
   },
   "devDependencies": {
     "istanbul": "0.4.5",