diff --git a/Dockerfile b/Dockerfile
index d377fed..1dbb5c4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.21.0@sha256:e323a465c03a31ad04374fc7239144d0fd4e2b92da6e3e0655580476d3a84621
+FROM alpine:3.21.0@sha256:21dc6063fd678b478f57c0e13f47560d0ea4eeba26dfc947b2a4f81f686b9f45
 LABEL org.opencontainers.image.source="https://github.com/trexx/docker-nfs-server"
 
 # renovate: datasource=repology depName=alpine_3_20/nfs-utils versioning=loose