diff --git a/.github/workflows/step_test.yaml b/.github/workflows/step_test.yaml
index d0f2f6c..1d7763a 100644
--- a/.github/workflows/step_test.yaml
+++ b/.github/workflows/step_test.yaml
@@ -17,11 +17,14 @@ jobs:
       fail-fast: false
       matrix:
         toolchain: [ gcc, llvm, intel, windows, macos ]
+        openmp: [ ON, OFF ]
         include:
           - os: windows-latest
             toolchain: windows
           - os: macos-latest
             toolchain: macos
+    env:
+      WITH_OPENMP: ${{ matrix.openmp }}
     steps:
       - name: Enable msvc toolchain on windows
         uses: ilammy/msvc-dev-cmd@v1
diff --git a/cmake/CMakePresets-CI.json b/cmake/CMakePresets-CI.json
index ceba312..86e547a 100644
--- a/cmake/CMakePresets-CI.json
+++ b/cmake/CMakePresets-CI.json
@@ -15,6 +15,10 @@
         "GKLIB_TESTS": {
           "type": "BOOL",
           "value": true
+        },
+        "GKLIB_OpenMP": {
+          "type": "BOOL",
+          "value": "$env{WITH_OPENMP}"
         }
       },
       "errors": {