diff --git a/ops/pipelines/static-pipeline.yaml b/ops/pipelines/static-pipeline.yaml
index a7eea2eb9..090518423 100644
--- a/ops/pipelines/static-pipeline.yaml
+++ b/ops/pipelines/static-pipeline.yaml
@@ -50,7 +50,7 @@ steps:
   - label: ":llama:"
     key: "pipeline-gen"
     concurrency_group: 'depot-nix-eval'
-    concurrency: 5 # much more than this and whitby will OOM
+    concurrency: 3 # much more than this and whitby will OOM
     command: |
       set -ue