diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 0d29e8f..73454ca 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -52,6 +52,25 @@ jobs:
       run: cmake --build . --config $BUILD_TYPE
       if: ${{ matrix.family != 'MP1' }}
 
+    - name: Create build directory for tests/cmsis-relative-path
+      run: cmake -E make_directory ${{runner.workspace}}/tests/cmsis/build-relative
+      if: ${{ matrix.family != 'MP1' }}
+
+    - name: Configure tests/cmsis with relative path
+      shell: bash
+      working-directory: ${{runner.workspace}}/tests/cmsis/build-relative
+      run: |
+        FAMILY_LOWER=$(echo "${{ matrix.family }}" | tr '[:upper:]' '[:lower:]')
+        RELATIVE_PATH="../../fetch/build/_deps/stm32cube${FAMILY_LOWER}-src"
+        cmake -DTEST_FAMILIES=${{ matrix.family }} -DSTM32_CUBE_${{ matrix.family }}_PATH=${RELATIVE_PATH} $GITHUB_WORKSPACE/tests/cmsis/
+      if: ${{ matrix.family != 'MP1' }}
+
+    - name: Build tests/cmsis with relative path
+      working-directory: ${{runner.workspace}}/tests/cmsis/build-relative
+      shell: bash
+      run: cmake --build . --config $BUILD_TYPE
+      if: ${{ matrix.family != 'MP1' }}
+
     - name: Create build directory for tests/hal
       run: cmake -E make_directory ${{runner.workspace}}/tests/hal/build