diff --git a/apps/k8s01/mastocloud/deployment.yaml b/apps/k8s01/mastocloud/deployment.yaml
index 72cb7cbbb95b397a58b8a169c3bd8d93405059da..4c803f758f5d28e417e5cf7e17f491a34a3c08c6 100644
--- a/apps/k8s01/mastocloud/deployment.yaml
+++ b/apps/k8s01/mastocloud/deployment.yaml
@@ -19,7 +19,7 @@ spec:
       automountServiceAccountToken: false
       containers:
         - name: nginx
-          image: docker.io/nginxinc/nginx-unprivileged:1.27.4-alpine@sha256:62a904036bfc0e4a4f2b556e34cbf17bc136b47fde8cdb4628762725f48c5782
+          image: docker.io/nginxinc/nginx-unprivileged:1.28.0-alpine@sha256:c98f65df3ded70f6d52f33d98655945c8e7fe819309eb19bb6542f6ea0180304
           ports:
             - containerPort: 8080
               protocol: TCP