diff --git a/.circleci/config.yml b/.circleci/config.yml
index a6c1841a58..f79efe9275 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -640,7 +640,7 @@ jobs:
         type: string
       jobsize:
         type: string
-    parallelism: 1
+    parallelism: 15
     steps:
       - checkout
       - attach_workspace: