diff --git a/.github/workflows/test-build.yml b/.github/workflows/test-build.yml
index d9b8aa261538..1e176a9bd4dd 100644
--- a/.github/workflows/test-build.yml
+++ b/.github/workflows/test-build.yml
@@ -268,7 +268,7 @@ jobs:
           parent: false
           gzip: true
           resumable: false
-          concurrency: 10000
+          concurrency: 500
           process_gcloudignore: true
 
       - name: Upload concurrency 100 -> 50
@@ -280,7 +280,7 @@ jobs:
           parent: false
           gzip: true
           resumable: false
-          concurrency: 10
+          concurrency: 50
           process_gcloudignore: true
 
       - name: Authenticate with GCP