diff --git a/Dockerfile b/Dockerfile
index 4c4b087..1b8a27f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-FROM alpine:3.20 AS rootfs-stage
+FROM alpine:3 AS rootfs-stage
 
 # environment
 ENV REL=noble
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 80a2af1..0cbbfca 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-FROM alpine:3.20 AS rootfs-stage
+FROM alpine:3 AS rootfs-stage
 
 # environment
 ENV REL=noble