diff --git a/Dockerfile b/Dockerfile
index 6eb0b1b..41dd993 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.21.2
+FROM alpine:3.21.3
 RUN apk add --no-cache e2fsprogs bash parted mdadm lsblk blkid bash findmnt
 COPY setup-runtime-storage.sh ./
 RUN chmod +x ./setup-runtime-storage.sh