diff --git a/git.spec b/git.spec
index 2496456..c03c12f 100644
--- a/git.spec
+++ b/git.spec
@@ -74,14 +74,14 @@
 %{?!bash_completions_dir:%global bash_completions_dir %{_datadir}/bash-completion/completions}
 
 # Define for release candidates
-#global rcrev   .rc0
+%global rcrev   .rc0
 
 # Set path to the package-notes linker script
 %global _package_note_file  %{_builddir}/%{name}-%{version}%{?rcrev}/.package_note-%{name}-%{version}-%{release}.%{_arch}.ld
 
 Name:           git
-Version:        2.39.2
-Release:        1%{?rcrev}%{?dist}
+Version:        2.40.0
+Release:        0.0%{?rcrev}%{?dist}
 Summary:        Fast Version Control System
 License:        BSD-3-Clause AND GPL-2.0-only AND GPL-2.0-or-later AND LGPL-2.1-or-later AND MIT
 URL:            https://git-scm.com/
@@ -1035,6 +1035,9 @@ rmdir --ignore-fail-on-non-empty "$testdir"
 %{?with_docs:%{_pkgdocdir}/git-svn.html}
 
 %changelog
+* Fri Feb 24 2023 Todd Zullinger <tmz@pobox.com> - 2.40.0-0.0.rc0
+- update to 2.40.0-rc0
+
 * Tue Feb 14 2023 Todd Zullinger <tmz@pobox.com> - 2.39.2-1
 - update to 2.39.2 (CVE-2023-22490, CVE-2023-23946)
 
diff --git a/sources b/sources
index 9fd818d..542036e 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (git-2.39.2.tar.xz) = fdca70bee19401c5c7a6d2f3d70bd80b6ba99f6a9f97947de31d4366ee3a78a18d5298abb25727ec8ef67131bca673e48dff2a5a050b6e032884ab04066b20cb
-SHA512 (git-2.39.2.tar.sign) = 9d2641d179f809e55bf44fe9fed9d955e88461fc2cb4120ec3b1cd42944a6715ae9e080ea2e8d53e5e68335b7b4577aa363c836d2af56fbca3820d931b985cd9
+SHA512 (git-2.40.0.rc0.tar.xz) = 123d400cce9a66f7399fe9e74b79e8ec709b7ca45d4cf8296af27ad1b866fccebc6493cc056c08d4678d3720bace60193d55ff6014137965317c16e65536ac20
+SHA512 (git-2.40.0.rc0.tar.sign) = 7a763b0581534b1e019dbf05b3a06def0f9eb73f9eb2fee5022d5fed59147d47ddca586581b754df61cc5c14e022b5b2096e23e0db037cdff1960f412e0b4dec