diff --git a/SOURCES/macros b/SOURCES/macros
index 74e9bf3..87698da 100644
--- a/SOURCES/macros
+++ b/SOURCES/macros
@@ -328,7 +328,7 @@ print(result)
 # way we can detect installing an unusable .o/.a file.  This is on the TODO
 # list for F34.
 %_gcc_lto_cflags	-flto=auto -ffat-lto-objects
-%_clang_lto_cflags	-flto
+%_clang_lto_cflags	-flto=thin
 %_lto_cflags		%{expand:%%{_%{toolchain}_lto_cflags}}
 
 %_general_options       -O2 %{?_lto_cflags} -fexceptions -g -grecord-gcc-switches -pipe
diff --git a/SPECS/redhat-rpm-config.spec b/SPECS/redhat-rpm-config.spec
index 31dff91..309e763 100644
--- a/SPECS/redhat-rpm-config.spec
+++ b/SPECS/redhat-rpm-config.spec
@@ -6,7 +6,7 @@
 
 Summary: Red Hat specific rpm configuration files
 Name: redhat-rpm-config
-Version: 199
+Version: 201
 Release: 1%{?dist}
 # No version specified.
 License: GPL+
@@ -127,6 +127,9 @@ Requires: %{_bindir}/grep
 Requires: %{_bindir}/sed
 Requires: %{_bindir}/xargs
 
+# for brp-llvm-compile-lto-elf
+Requires: (llvm if clang)
+
 # -fstack-clash-protection and -fcf-protection require GCC 8.
 Conflicts: gcc < 8.0.1-0.22
 
@@ -250,6 +253,14 @@ install -p -m 644 -t %{buildroot}%{_rpmluadir}/fedora/srpm forge.lua
 %doc buildflags.md
 
 %changelog
+* Mon May 08 2023 Nikita Popov <npopov@redhat.com> - 201-1
+- Add llvm dependency if clang toolchain used
+- Resolves: rhbz#2193406
+
+* Wed Apr 19 2023 Nikita Popov <npopov@redhat.com> - 200-1
+- Change clang LTO default to ThinLTO
+- Resolves: rhbz#2178788
+
 * Mon Feb 13 2023 Miro Hrončok <mhroncok@redhat.com> - 199-1
 - Add pyproject-srpm-macros to the default buildroot
 - Related: rhbz#2168193