diff --git a/History.md b/History.md
index fa520920d7..707677eb17 100644
--- a/History.md
+++ b/History.md
@@ -1,5 +1,5 @@
-unreleased
-==========
+4.15.5 / 2017-09-24
+===================
 
   * deps: debug@2.6.9
   * deps: finalhandler@~1.0.6
diff --git a/package.json b/package.json
index bf48b83c7c..954c20b3c3 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "express",
   "description": "Fast, unopinionated, minimalist web framework",
-  "version": "4.15.4",
+  "version": "4.15.5",
   "author": "TJ Holowaychuk <tj@vision-media.ca>",
   "contributors": [
     "Aaron Heckmann <aaron.heckmann+github@gmail.com>",