diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f40272241b3..13b8abddb9f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -548,6 +548,9 @@ jobs:
           TASK: ${{ matrix.task }}
         run: |
           echo "OPENCLAW_VITEST_MAX_WORKERS=2" >> "$GITHUB_ENV"
+          if [ "$TASK" = "test" ]; then
+            echo "OPENCLAW_TEST_PROJECTS_PARALLEL=4" >> "$GITHUB_ENV"
+          fi
           if [ "$TASK" = "channels" ]; then
             echo "OPENCLAW_VITEST_MAX_WORKERS=1" >> "$GITHUB_ENV"
           fi