diff --git a/CHANGELOG.md b/CHANGELOG.md
index c825844..e23a776 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ this project uses date-based 'snapshot' version identifiers.
 
 ## [Unreleased]
 
+## [2023-09-05]
+
 ### Changed
 - Initialise the random seed with the current time so `--shuffle` produces different orders each run.
 - Normalise more `luaotfload` cache lines
@@ -689,7 +691,8 @@ this project uses date-based 'snapshot' version identifiers.
 - Rationalise short option names: removed `-d`, `-E`, `-r`
 - Target `cmdcheck`: specific to LaTeX kernel work
 
-[Unreleased]: https://github.com/latex3/l3build/compare/2023-07-20...HEAD
+[Unreleased]: https://github.com/latex3/l3build/compare/2023-09-05...HEAD
+[2023-09-05]: https://github.com/latex3/l3build/compare/2023-07-20...2023-09-05
 [2023-07-20]: https://github.com/latex3/l3build/compare/2023-07-17...2023-07-20
 [2023-07-17]: https://github.com/latex3/l3build/compare/2023-03-27...2023-07-17
 [2023-03-27]: https://github.com/latex3/l3build/compare/2023-03-22...2023-03-27
diff --git a/README.md b/README.md
index 60b9815..779c91c 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 l3build: a testing and building system for LaTeX
 =================================================
 
-Release 2023-07-20
+Release 2023-09-05
 
 Overview
 --------
diff --git a/l3build.1 b/l3build.1
index 23008a6..941958d 100644
--- a/l3build.1
+++ b/l3build.1
@@ -1,4 +1,4 @@
-.TH l3build 1 "2023-07-20"
+.TH l3build 1 "2023-09-05"
 .SH NAME
 l3build \- Checking and building packages
 .SH SYNOPSIS
diff --git a/l3build.dtx b/l3build.dtx
index 48c7ab8..0ca5366 100644
--- a/l3build.dtx
+++ b/l3build.dtx
@@ -251,7 +251,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2023-07-20}
+% \date{Released 2023-09-05}
 %
 % \maketitle
 % \tableofcontents
diff --git a/l3build.lua b/l3build.lua
index 553cfe6..66f50e9 100644
--- a/l3build.lua
+++ b/l3build.lua
@@ -25,7 +25,7 @@ for those people who are interested.
 --]]
 
 -- Version information
-release_date = "2023-07-20"
+release_date = "2023-09-05"
 
 -- File operations are aided by the LuaFileSystem module
 local lfs = require("lfs")