diff --git a/.gitea/workflows/sop-checklist.yml b/.gitea/workflows/sop-checklist.yml
index 72e33f04..fe86219f 100644
--- a/.gitea/workflows/sop-checklist.yml
+++ b/.gitea/workflows/sop-checklist.yml
@@ -67,6 +67,12 @@
 
 name: sop-checklist
 
+# Cancel any in-progress runs for the same PR to prevent
+# stale runs from overwriting newer status contexts.
+concurrency:
+  group: ${{ github.repository }}-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
+
 # bp-required: yes  ← emits sop-checklist / all-items-acked (pull_request)
 
 on: