diff --git a/libclc.changes b/libclc.changes
index 90be42e..2804de6 100644
--- a/libclc.changes
+++ b/libclc.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Nov 20 12:57:41 UTC 2023 - Stefan Dirsch <sndirsch@suse.com>
+
+- let sle15-sp6 require llvm17/clang17
+
 -------------------------------------------------------------------
 Wed Sep 20 21:30:56 UTC 2023 - Aaron Puchert <aaronpuchert@alice-dsl.net>
 
diff --git a/libclc.spec b/libclc.spec
index 6df06ed..3d709ba 100644
--- a/libclc.spec
+++ b/libclc.spec
@@ -37,21 +37,13 @@ BuildRequires:  clang-devel
 BuildRequires:  llvm-devel
 BuildRequires:  pkgconfig(LLVMSPIRVLib)
 %else
- %if 0%{?sle_version} >= 150500
+ %if 0%{?sle_version} >= 150600
+BuildRequires:  clang17-devel
+BuildRequires:  llvm17-devel
+ %else
+  %if 0%{?sle_version} >= 150500
 BuildRequires:  clang15-devel
 BuildRequires:  llvm15-devel
- %else
-  %if 0%{?sle_version} >= 150400
-BuildRequires:  clang13-devel
-BuildRequires:  llvm13-devel
-  %else
-   %if 0%{?sle_version} >= 150300
-BuildRequires:  clang11-devel
-BuildRequires:  llvm11-devel
-   %else
-BuildRequires:  clang9-devel
-BuildRequires:  llvm9-devel
-   %endif
   %endif
  %endif
 %endif