diff --git a/docker/alpine/Dockerfile b/docker/alpine/Dockerfile
index 290397358db..7dca3a61585 100644
--- a/docker/alpine/Dockerfile
+++ b/docker/alpine/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.20@sha256:1e42bbe2508154c9126d48c2b8a75420c3544343bf86fd041fb7527e017a4b4a as common
+FROM alpine:3.21@sha256:e323a465c03a31ad04374fc7239144d0fd4e2b92da6e3e0655580476d3a84621 as common
 
 # Based on:
 # https://github.com/mundialis/docker-grass-gis/blob/master/Dockerfile