diff --git a/dockerfiles/mtools/Dockerfile b/dockerfiles/mtools/Dockerfile
index 54fd7a9..effeb54 100644
--- a/dockerfiles/mtools/Dockerfile
+++ b/dockerfiles/mtools/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.16.3
+FROM alpine:3.24.1
 MAINTAINER rakiyoshi
 
 ARG UID
diff --git a/dockerfiles/nasm/Dockerfile b/dockerfiles/nasm/Dockerfile
index fde9d33..63a41d8 100644
--- a/dockerfiles/nasm/Dockerfile
+++ b/dockerfiles/nasm/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.16.3
+FROM alpine:3.24.1
 MAINTAINER rakiyoshi
 
 ARG UID