diff --git a/libclc.changes b/libclc.changes
index 76bbd35..a618cf2 100644
--- a/libclc.changes
+++ b/libclc.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Mar 18 02:33:21 UTC 2024 - Stefan Dirsch <sndirsch@suse.com>
+
+- use clang18-devel, llvm18-devel also for Leap 15.6/15.5 in order to
+  fix build
+
 -------------------------------------------------------------------
 Sat Mar  9 22:30:18 UTC 2024 - Aaron Puchert <aaronpuchert@alice-dsl.net>
 
diff --git a/libclc.spec b/libclc.spec
index 52524f8..33318ca 100644
--- a/libclc.spec
+++ b/libclc.spec
@@ -38,12 +38,12 @@ BuildRequires:  llvm-devel
 BuildRequires:  pkgconfig(LLVMSPIRVLib)
 %else
  %if 0%{?sle_version} >= 150600
-BuildRequires:  clang17-devel
-BuildRequires:  llvm17-devel
+BuildRequires:  clang18-devel
+BuildRequires:  llvm18-devel
  %else
   %if 0%{?sle_version} >= 150500
-BuildRequires:  clang15-devel
-BuildRequires:  llvm15-devel
+BuildRequires:  clang18-devel
+BuildRequires:  llvm18-devel
   %endif
  %endif
 %endif