diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1898f0d..155232f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -42,6 +42,8 @@ jobs:
       BUILD_TYPE: Release
     steps:
     - uses: actions/checkout@v2
+    - name: Show CMake version
+      run: cmake --version
     - name: Install X11 dependencies on MacOS
       if: ${{ runner.os == 'macOS'}}
       run: brew install --cask xquartz