diff --git a/kubernetes/teyvat/apps/observability/gatus/app/helmrelease.yaml b/kubernetes/teyvat/apps/observability/gatus/app/helmrelease.yaml
index deaa922d16..96b61e3596 100644
--- a/kubernetes/teyvat/apps/observability/gatus/app/helmrelease.yaml
+++ b/kubernetes/teyvat/apps/observability/gatus/app/helmrelease.yaml
@@ -44,7 +44,7 @@ spec:
             order: 2
             image: &configSyncImage
               repository: ghcr.io/kiwigrid/k8s-sidecar
-              tag: 1.25.3
+              tag: 1.25.4
               pullPolicy: IfNotPresent
             env:
               FOLDER: /config