diff --git a/kubernetes/main/apps/observability/gatus/app/helmrelease.yaml b/kubernetes/main/apps/observability/gatus/app/helmrelease.yaml
index 8a5d741e6..02ef7f5d0 100644
--- a/kubernetes/main/apps/observability/gatus/app/helmrelease.yaml
+++ b/kubernetes/main/apps/observability/gatus/app/helmrelease.yaml
@@ -56,7 +56,7 @@ spec:
             dependsOn: init-db
             image:
               repository: ghcr.io/kiwigrid/k8s-sidecar
-              tag: 1.28.0
+              tag: 1.28.3
             env:
               FOLDER: /config
               LABEL: gatus.io/enabled