diff --git a/.circleci/config.yml b/.circleci/config.yml
index 78c6150d61..3e1aff0270 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1053,6 +1053,7 @@ jobs:
         type: string
       python-version:
         type: string
+    parallelism: 4
     machine:
       image: linux-cuda-12:2023.05.1
     resource_class: gpu.nvidia.medium