diff --git a/libclc.changes b/libclc.changes
index 372c20f..eac800e 100644
--- a/libclc.changes
+++ b/libclc.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Aug 25 13:33:10 UTC 2022 - Stefan Dirsch <sndirsch@suse.com>
+
+- fixed build on Leap 15.3 by buildrequiring clang13/llvm13
+
 -------------------------------------------------------------------
 Fri Apr  1 21:44:03 UTC 2022 - Aaron Puchert <aaronpuchert@alice-dsl.net>
 
diff --git a/libclc.spec b/libclc.spec
index a2690f5..41c1c6c 100644
--- a/libclc.spec
+++ b/libclc.spec
@@ -34,13 +34,18 @@ BuildRequires:  cmake
 BuildRequires:  clang-devel
 BuildRequires:  llvm-devel
 %else
-%if 0%{?sle_version} >= 150300
+ %if 0%{?sle_version} >= 150400
+BuildRequires:  clang13-devel
+BuildRequires:  llvm13-devel
+ %else
+  %if 0%{?sle_version} >= 150300
 BuildRequires:  clang11-devel
 BuildRequires:  llvm11-devel
-%else
+  %else
 BuildRequires:  clang9-devel
 BuildRequires:  llvm9-devel
-%endif
+  %endif
+ %endif
 %endif
 BuildRequires:  python3-base
 Provides:       libclc(llvm%{_llvm_sonum})