diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e51473f9..cb256df6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -120,11 +120,12 @@ jobs:
           python -m pip install --upgrade pip
           python -m pip install -r requirements.txt
           python -m pip install -r requirements-test.txt
+          python -m pip install pytest-parallel
           python -m pip install snowflake-sqlalchemy==1.3.3
           python -m pip install .
       - name: Test with pytest
         run: |
-          pytest siuba -m snowflake
+          pytest siuba -m snowflake --workers 2 --tests-per-worker 20
         env:
           SB_TEST_SNOWFLAKEPASSWORD: ${{ secrets.SB_TEST_SNOWFLAKEPASSWORD }}
           SB_TEST_SNOWFLAKEHOST: ${{ secrets.SB_TEST_SNOWFLAKEHOST }}