diff --git a/.github/workflows/clang.yaml b/.github/workflows/clang.yaml
index 23d5f855d46..fe458905fb3 100644
--- a/.github/workflows/clang.yaml
+++ b/.github/workflows/clang.yaml
@@ -69,7 +69,7 @@ jobs:
         id: cache-ccache
         uses: nashif/action-s3-cache@master
         with:
-          key: ${{ steps.ccache_cache_timestamp.outputs.repo }}-clang-${{ matrix.platform }}-ccache
+          key: ${{ steps.ccache_cache_timestamp.outputs.repo }}-${{ github.ref_name }}-clang-${{ matrix.platform }}-ccache
           path: /github/home/.ccache
           aws-s3-bucket: ccache.zephyrproject.org
           aws-access-key-id: ${{ secrets.CCACHE_S3_ACCESS_KEY_ID }}