diff --git a/Mesa.changes b/Mesa.changes
index fabadd6..026b032 100644
--- a/Mesa.changes
+++ b/Mesa.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Nov  4 21:03:39 UTC 2022 - Stefan Dirsch <sndirsch@suse.com>
+
+- build against llvm15/clang15 on sle15-sp5/Leap 15.5 
+
 -------------------------------------------------------------------
 Wed Nov  2 16:56:33 UTC 2022 - Stefan Dirsch <sndirsch@suse.com>
 
diff --git a/Mesa.spec b/Mesa.spec
index 9497379..7ffae3c 100644
--- a/Mesa.spec
+++ b/Mesa.spec
@@ -234,6 +234,9 @@ BuildRequires:  pkgconfig(wayland-server) >= 1.11
 %if 0%{?suse_version} >= 1550
 BuildRequires:  llvm-devel
 %else
+%if 0%{?sle_version} >= 150500
+BuildRequires:  llvm15-devel
+%else
 %if 0%{?sle_version} >= 150400
 BuildRequires:  llvm13-devel
 %else
@@ -245,11 +248,15 @@ BuildRequires:  llvm9-devel
 %endif
 %endif
 %endif
+%endif
 
 %if 0%{with_opencl}
 %if 0%{?suse_version} >= 1550
 BuildRequires:  clang-devel
 %else
+%if 0%{?sle_version} >= 150500
+BuildRequires:  clang15-devel
+%else
 %if 0%{?sle_version} >= 150400
 BuildRequires:  clang13-devel
 %else
@@ -260,6 +267,7 @@ BuildRequires:  clang9-devel
 %endif
 %endif
 %endif
+%endif
 BuildRequires:  libclc
 %endif