diff --git a/docker/alpine/Dockerfile b/docker/alpine/Dockerfile
index 005a9366..622f88a1 100644
--- a/docker/alpine/Dockerfile
+++ b/docker/alpine/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM alpine:3.21.4 AS build
+FROM --platform=$BUILDPLATFORM alpine:3.21.5 AS build
 
 ARG TARGETPLATFORM
 ARG SERVER_VERSION=0.0.0
@@ -30,7 +30,7 @@ RUN set -ex \
     && file /usr/local/bin/static-web-server \
     && true
 
-FROM alpine:3.21.4
+FROM alpine:3.21.5
 
 ARG SERVER_VERSION=0.0.0
 ENV SERVER_VERSION=${SERVER_VERSION}
diff --git a/docker/debian/Dockerfile b/docker/debian/Dockerfile
index 13a04341..06533d6a 100644
--- a/docker/debian/Dockerfile
+++ b/docker/debian/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM debian:12.11-slim AS build
+FROM --platform=$BUILDPLATFORM debian:12.12-slim AS build
 
 ARG TARGETPLATFORM
 ARG SERVER_VERSION=0.0.0
@@ -48,7 +48,7 @@ RUN set -ex \
     && file /usr/local/bin/static-web-server \
     && true
 
-FROM debian:12.11-slim
+FROM debian:12.12-slim
 
 ARG SERVER_VERSION=0.0.0
 ENV SERVER_VERSION=${SERVER_VERSION}
diff --git a/docker/devel/Dockerfile.alpine b/docker/devel/Dockerfile.alpine
index 5070484f..455f875c 100644
--- a/docker/devel/Dockerfile.alpine
+++ b/docker/devel/Dockerfile.alpine
@@ -1,4 +1,4 @@
-FROM alpine:3.21.4
+FROM alpine:3.21.5
 
 ENV SERVER_VERSION=devel
 
diff --git a/docker/devel/Dockerfile.debian b/docker/devel/Dockerfile.debian
index 8eab21f2..11f1839e 100644
--- a/docker/devel/Dockerfile.debian
+++ b/docker/devel/Dockerfile.debian
@@ -1,4 +1,4 @@
-FROM debian:12.11-slim
+FROM debian:12.12-slim
 
 ENV SERVER_VERSION=devel