diff --git a/kubernetes/apps/observability/gatus/app/helmrelease.yaml b/kubernetes/apps/observability/gatus/app/helmrelease.yaml
index 855a9c96..f0b6db79 100644
--- a/kubernetes/apps/observability/gatus/app/helmrelease.yaml
+++ b/kubernetes/apps/observability/gatus/app/helmrelease.yaml
@@ -31,7 +31,7 @@ spec:
           init-config:
             image:
               repository: ghcr.io/kiwigrid/k8s-sidecar
-              tag: 1.28.1@sha256:707875abfd38af450ff420c6f271e883fc28e9ce4d3742741af993b25ae93f85
+              tag: 1.28.4@sha256:20caf4e241e1f9f9231527db5e75b735aa7b0da7bee3d262cbe369bb9b33469f
             env:
               FOLDER: /config
               LABEL: gatus.io/enabled