diff --git a/.woodpecker/helmfile.yaml b/.woodpecker/helmfile.yaml
index 72c92c5..7fea9e7 100644
--- a/.woodpecker/helmfile.yaml
+++ b/.woodpecker/helmfile.yaml
@@ -28,7 +28,7 @@ steps:
             - main
     commands:
       - sed -i "/\b\(kubeContext\)\b/d" common/environments.yaml
-      - helmfile -e "${ENV}" diff
+      - helmfile -e "${ENV}" diff --concurrency 1
   diff:
     !!merge <<: *opts
     when: