diff --git a/bootstrap/matrix-alertmanager-receiver.yaml b/bootstrap/matrix-alertmanager-receiver.yaml
index 7b7498a..72e610f 100644
--- a/bootstrap/matrix-alertmanager-receiver.yaml
+++ b/bootstrap/matrix-alertmanager-receiver.yaml
@@ -8,7 +8,7 @@ spec:
   sources:
     - repoURL: https://brunner.ninja/charts
       chart: matrix-alertmanager-receiver
-      targetRevision: 2026.9.23
+      targetRevision: 2026.9.23-1-g8850f74
       helm:
         releaseName: matrix-alertmanager-receiver
         valueFiles: