diff --git a/.github/workflows/pr-test.yml b/.github/workflows/pr-test.yml
index 83e24a3d5..148f30937 100644
--- a/.github/workflows/pr-test.yml
+++ b/.github/workflows/pr-test.yml
@@ -470,7 +470,7 @@ jobs:
       RUNNER_LABELS: 1-gpu-runner
     strategy:
       fail-fast: false
-      max-parallel: 5
+      max-parallel: 8
       matrix:
         part: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14]
     steps: