diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b068085..789ffd0 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -78,6 +78,8 @@ jobs:
       with:
         path: openmp-install
         key: openmp-macos-release-11.0.0
+    - name: Select Xcode version
+      run: sudo xcode-select -s '/Applications/Xcode_12.4.app/Contents/Developer'
     - name: checkout
       if: steps.cache-openmp.outputs.cache-hit != 'true'
       uses: actions/checkout@v2