diff --git a/cmake.spec b/cmake.spec
index d29fb00..5ea3f47 100644
--- a/cmake.spec
+++ b/cmake.spec
@@ -68,14 +68,14 @@
 %{!?_vpath_builddir:%global _vpath_builddir %{_target_platform}}
 
 %global major_version 3
-%global minor_version 27
-%global patch_version 7
+%global minor_version 28
+%global patch_version 0
 
 # For handling bump release by rpmdev-bumpspec and mass rebuild
 %global baserelease 1
 
 # Set to RC version if building RC, else comment out.
-#global rcsuf rc1
+%global rcsuf rc1
 
 %if 0%{?rcsuf:1}
 %global pkg_version %{major_version}.%{minor_version}.%{patch_version}~%{rcsuf}
@@ -549,6 +549,10 @@ popd
 
 
 %changelog
+* Thu Oct 12 2023 Björn Esser <besser82@fedoraproject.org> - 3.28.0~rc1-1
+- cmake-3.28.0-rc1
+  Fixes rhbz#2243343
+
 * Sat Oct 07 2023 Björn Esser <besser82@fedoraproject.org> - 3.27.7-1
 - cmake-3.27.7
   Fixes rhbz#2242491
diff --git a/sources b/sources
index 33c9587..f4059b9 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (cmake-3.27.7.tar.gz) = 2e9b83dee8f8c012be4219ab74ebaa8b8438ea55d5204237a1c9feba94c732afe7baceddb9c681672903112b1e40f7b1a86b284cfceed15f46ce8f90143dbb86
+SHA512 (cmake-3.28.0-rc1.tar.gz) = 693aa21b3c3ce3f090620d4819ce271ef7890ff4ce3462a6200ee759a5a7eabfd882765c4a5df6dad544d8f9bc4f640a00b33eaff232c7eaf789d7a755dd8448