diff --git a/.gitignore b/.gitignore
index 60f3817..7e2e71a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,4 @@
 /libecb-20200430.tar.xz
 /libecb-20211021.tar.xz
 /libecb-20211217.tar.xz
+/libecb-20230911.tar.xz
diff --git a/libecb.spec b/libecb.spec
index 208d5bc..e48fc65 100644
--- a/libecb.spec
+++ b/libecb.spec
@@ -1,11 +1,14 @@
-%global snapshot 20211217
+%global snapshot 20230911
 # Do not create debuginfo sub-package because there is no binary executable
 %global debug_package %{nil}
 Name:       libecb
+# Upstream version is a 32-bit hexadecimal number with an internal structure.
+# See ECB_VERSION macro. RPM cannot order them correctly. A decimal encoding
+# would work, but would be uggly. Just use 0.
 Version:    0.%{snapshot}
 Release:    1%{?dist}
 Summary:    Compiler built-ins
-License:    BSD or GPLv2+
+License:    BSD-2-Clause OR GPL-2.0-or-later
 URL:        http://software.schmorp.de/pkg/libecb.html
 # Snapshot from CVS :pserver:anonymous@cvs.schmorp.de/schmorpforge libecb 
 Source0:    %{name}-%{snapshot}.tar.xz
@@ -51,10 +54,13 @@ install -m 0644 -t %{buildroot}%{_mandir}/man3 *.3
 %files devel
 %license LICENSE
 %doc Changes README
-%{_includedir}/*
-%{_mandir}/man3/*
+%{_includedir}/ecb.h
+%{_mandir}/man3/ecb.*
 
 %changelog
+* Mon Sep 11 2023 Petr Pisar <ppisar@redhat.com> - 0.20230911-1
+- CVS snapshot taken on 2023-09-11
+
 * Fri Dec 17 2021 Petr Pisar <ppisar@redhat.com> - 0.20211217-1
 - CVS snapshot taken on 20211217 (Fedora patches merged)
 
diff --git a/sources b/sources
index f465694..c667fdb 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libecb-20211217.tar.xz) = 538f5924c693353297cc328970446e4eff4e8766f20985c20b0bd9742626748360ee05dc6e5dcddc3ca624b4602c85e164f241bc59611b6741aac31b1f29fa5a
+SHA512 (libecb-20230911.tar.xz) = bb16c07f55867a32031b949d48d3e6f86d3a739fa4528c84b5fc6abf5fde615dda0847d2fd0a179887a927cd5b16746b5aeafdb4b8b07a74c6ac03b66be7b037