diff --git a/.github/workflows/pr-test-npu.yml b/.github/workflows/pr-test-npu.yml
index 09461ac16..3a9c61127 100644
--- a/.github/workflows/pr-test-npu.yml
+++ b/.github/workflows/pr-test-npu.yml
@@ -303,6 +303,7 @@ jobs:
       image: ${{ needs.set-image-config.outputs.CANN_image_a3 }}
       install_sglang_deps: true
       device_type_for_deps: 'a3'
+      partitions: '{"size":2,"arr":[0,1]}'
 
   base-c-test-acc-4-npu-a3:
     name: base-c-test-acc-4-npu-a3