diff --git a/bootstrap/mumble.yaml b/bootstrap/mumble.yaml
index 70b9bca..d7b5506 100644
--- a/bootstrap/mumble.yaml
+++ b/bootstrap/mumble.yaml
@@ -8,7 +8,7 @@ spec:
   sources:
     - repoURL: https://brunner.ninja/charts
       chart: mumble
-      targetRevision: 1.5.939-1-g0fcc928
+      targetRevision: 1.5.939-2-g8a17ea4
       helm:
         releaseName: mumble
         valueFiles: [$values/apps/mumble/values.yaml]