diff --git a/llvm13.changes b/llvm13.changes
index 835fb7d..009f5e7 100644
--- a/llvm13.changes
+++ b/llvm13.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Mar  6 03:20:24 UTC 2024 - Michael Gorse <mgorse@suse.com>
+
+- Explicitly define PYTHON3_EXECUTABLE, since python 3.11 is being
+  pulled in by cmake in SLE-15-SP6.
+
 -------------------------------------------------------------------
 Mon Mar  4 21:29:51 UTC 2024 - Aaron Puchert <aaronpuchert@alice-dsl.net>
 
diff --git a/llvm13.spec b/llvm13.spec
index 7795188..e075bf4 100644
--- a/llvm13.spec
+++ b/llvm13.spec
@@ -751,6 +751,7 @@ avail_mem=$(awk '/MemAvailable/ { print $2 }' /proc/meminfo)
     -DLLVM_PARALLEL_LINK_JOBS="$max_link_jobs" \
     -DENABLE_LINKER_BUILD_ID=ON \
     -DLLVM_BINUTILS_INCDIR=%{_includedir} \
+    -DPython3_EXECUTABLE=%{_bindir}/python3 \
     -DLLVM_BUILD_TOOLS:BOOL=OFF \
     -DLLVM_BUILD_UTILS:BOOL=OFF \
     -DLLVM_BUILD_EXAMPLES:BOOL=OFF \
@@ -846,6 +847,7 @@ export LD_LIBRARY_PATH=${PWD}/build/%{_lib}
     -DLLVM_ENABLE_RTTI:BOOL=ON \
     -DLLVM_ENABLE_PIC=ON \
     -DLLVM_BINUTILS_INCDIR=%{_includedir} \
+    -DPython3_EXECUTABLE=%{_bindir}/python3 \
     -DLLVM_TARGETS_TO_BUILD=${TARGETS_TO_BUILD} \
     -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=${EXPERIMENTAL_TARGETS_TO_BUILD} \
 %if %{with libcxx}