diff --git a/Dockerfile b/Dockerfile
index da55c2b35..86c463046 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax = docker/dockerfile:1.4
 
-FROM alpine:3.20.3@sha256:1e42bbe2508154c9126d48c2b8a75420c3544343bf86fd041fb7527e017a4b4a as RUN
+FROM alpine:3.21.0@sha256:21dc6063fd678b478f57c0e13f47560d0ea4eeba26dfc947b2a4f81f686b9f45 as RUN
 
 # Add runtime dependencies
 # - tzdata: Go time required external dependency eg: TRANSIP and possibly others