diff --git a/.github/workflows/reusable_multi_numa.yml b/.github/workflows/reusable_multi_numa.yml
index f654789843..8b30d9a4f3 100644
--- a/.github/workflows/reusable_multi_numa.yml
+++ b/.github/workflows/reusable_multi_numa.yml
@@ -1,4 +1,4 @@
-# Runs tests on multi-numa machine
+# Runs tests on multi-numa machines
 name: MultiNuma
 
 on: [workflow_call]
@@ -19,7 +19,7 @@ jobs:
 
     strategy:
       matrix:
-        os: [ubuntu-22.04, rhel-9.1]
+        os: [ubuntu-22.04, rhel-9.1, sles-15]
         build_type: [Debug, Release]
         shared_library: ['ON', 'OFF']
     runs-on:  ["DSS-MULTI-NUMA", "DSS-${{matrix.os}}"]
@@ -53,15 +53,15 @@ jobs:
         run: cmake --build ${{github.workspace}}/build -j $(nproc)
 
       - name: Run tests
-        if: matrix.os != 'rhel-9.1'
+        if: (matrix.os != 'rhel-9.1') && (matrix.os != 'sles-15')
         working-directory: ${{github.workspace}}/build
         run: ctest --output-on-failure --test-dir test
 
-        # On RHEL, hwloc version is just a little too low.
+        # On RHEL/SLES, hwloc version is just a little too low.
         # Skip some tests until we upgrade hwloc and update CMake to properly handle local hwloc installation.
         # TODO: fix issue #560
-      - name: Run tests (on RHEL)
-        if: matrix.os == 'rhel-9.1'
+      - name: Run tests (on RHEL/SLES15)
+        if: (matrix.os == 'rhel-9.1') || (matrix.os == 'sles-15')
         working-directory: ${{github.workspace}}/build
         run: |
           ctest --output-on-failure --test-dir test -E "umf-provider_os_memory_multiple_numa_nodes"