diff --git a/.github/workflows/cpu-tests.yml b/.github/workflows/cpu-tests.yml
index 531fb0c7c..50c152bbb 100644
--- a/.github/workflows/cpu-tests.yml
+++ b/.github/workflows/cpu-tests.yml
@@ -42,6 +42,7 @@ jobs:
       - name: Restore cache
         uses: actions/cache@v3
         id: cache-docker
+        if: github.event_name == 'pull_request'
         with:
           path: ${{ env.DOCKER_CACHE_PATH }}
           key: ${{ github.run_id }}