diff --git a/Dockerfile b/Dockerfile
index f030ba5..3a421cf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1.13@sha256:426b85b823c113372f766a963f68cfd9cd4878e1bcc0fda58779127ee98a28eb
 
-FROM alpine:3.21.2@sha256:56fa17d2a7e7f168a043a2712e63aed1f8543aeafdcee47c58dcffe38ed51099 AS build-base
+FROM alpine:3.21.3@sha256:a8560b36e8b8210634f77d9f7f9efd7ffa463e380b75e2e74aff4511df3ef88c AS build-base
 
 ARG TARGETARCH