diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
index e4762523f701..0918ee111b53 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -139,8 +139,8 @@ jobs:
     # Run the tests.
     - name: Run tests
       run: |
-        # Hive tests become flaky when running in parallel as it's too intensive.
-        if [[ "$MODULES_TO_TEST" == "hive" ]]; then export SERIAL_SBT_TESTS=1; fi
+        # Hive and SQL tests become flaky when running in parallel as it's too intensive.
+        if [[ "$MODULES_TO_TEST" == "hive" ]] || [[ "$MODULES_TO_TEST" == "sql" ]]; then export SERIAL_SBT_TESTS=1; fi
         mkdir -p ~/.m2
         ./dev/run-tests --parallelism 2 --modules "$MODULES_TO_TEST" --included-tags "$INCLUDED_TAGS" --excluded-tags "$EXCLUDED_TAGS"
         rm -rf ~/.m2/repository/org/apache/spark