diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
index 03cd72b0b0..b91cc04a20 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -443,6 +443,7 @@ jobs:
           test_selection: regress
           needs_postgres_source: true
           run_with_real_s3: true
+          run_in_parallel: false
           real_s3_bucket: neon-github-ci-tests
           real_s3_region: eu-central-1
           rerun_flaky: true