diff --git a/apps/gammu-telegram/Dockerfile b/apps/gammu-telegram/Dockerfile
index c0def1b..f4c1566 100644
--- a/apps/gammu-telegram/Dockerfile
+++ b/apps/gammu-telegram/Dockerfile
@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:experimental
 
 # Use the Alpine Linux 3 base image
-FROM docker.io/alpine:3.20.0
+FROM docker.io/alpine:3.23.4
 
 # Define build arguments
 ARG TARGETPLATFORM
diff --git a/apps/kea-dhcp-sidecar/Dockerfile b/apps/kea-dhcp-sidecar/Dockerfile
index 741c5f1..7c33738 100644
--- a/apps/kea-dhcp-sidecar/Dockerfile
+++ b/apps/kea-dhcp-sidecar/Dockerfile
@@ -1,5 +1,5 @@
 FROM bitnami/kubectl:1.31.1 as kubectl
-FROM docker.io/alpine:3.20.0
+FROM docker.io/alpine:3.23.4
 
 COPY --from=kubectl /opt/bitnami/kubectl/bin/kubectl /usr/local/bin/
 
diff --git a/apps/kea-dhcp/Dockerfile b/apps/kea-dhcp/Dockerfile
index d06dac5..625ace8 100644
--- a/apps/kea-dhcp/Dockerfile
+++ b/apps/kea-dhcp/Dockerfile
@@ -1,5 +1,5 @@
 # build binary
-FROM docker.io/alpine:3.20.0 AS build
+FROM docker.io/alpine:3.23.4 AS build
 ARG VERSION
 # Environment
 ARG BUILD_PKGS="build-base boost-dev log4cplus-dev autoconf automake bison botan-dev flex libcap-utils libtool mariadb-dev postgresql-dev python3-dev procps curl"
@@ -52,7 +52,7 @@ WORKDIR /install
 RUN pip3 install --target="/install" kea-exporter
 
 # Intermediate container with runtime dependencies
-FROM docker.io/alpine:3.20.0 AS runtime
+FROM docker.io/alpine:3.23.4 AS runtime
 
 # Install runtime dependencies
 ARG RUN_PKGS="libgcc libstdc++ musl botan-libs mariadb-connector-c socat libpq procps \
diff --git a/apps/matchbox/Dockerfile b/apps/matchbox/Dockerfile
index 9e578d9..9d56637 100644
--- a/apps/matchbox/Dockerfile
+++ b/apps/matchbox/Dockerfile
@@ -8,7 +8,7 @@ RUN \
     && apt-get clean
 RUN cd src && make build
 
-FROM docker.io/alpine:3.20.0
+FROM docker.io/alpine:3.23.4
 RUN mkdir /var/lib/matchbox && mkdir /var/lib/matchbox/assets
 ARG TARGETPLATFORM
 ARG TARGETARCH
diff --git a/apps/mktxp/Dockerfile b/apps/mktxp/Dockerfile
index ad6020d..5df7fd4 100644
--- a/apps/mktxp/Dockerfile
+++ b/apps/mktxp/Dockerfile
@@ -6,7 +6,7 @@ RUN mkdir /mktxp && \
       rm /*.tar.gz
 RUN pip3 install --target="/install" /mktxp/mktxp-${VERSION}
 
-FROM docker.io/alpine:3.20.0
+FROM docker.io/alpine:3.23.4
 
 # Install runtime dependencies
 ARG RUN_PKGS="python3"
diff --git a/apps/rpi-dnsmasq/Dockerfile b/apps/rpi-dnsmasq/Dockerfile
index bb73d2c..948a386 100644
--- a/apps/rpi-dnsmasq/Dockerfile
+++ b/apps/rpi-dnsmasq/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/alpine:3.20 as rpi
+FROM docker.io/alpine:3.23 as rpi
 ARG VERSION
 COPY ./serials /serials
 
diff --git a/apps/s4cmd/Dockerfile b/apps/s4cmd/Dockerfile
index e68dabf..b1d4485 100644
--- a/apps/s4cmd/Dockerfile
+++ b/apps/s4cmd/Dockerfile
@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:experimental
 
 # Use the Alpine Linux 3 base image
-FROM docker.io/alpine:3.20.0
+FROM docker.io/alpine:3.23.4
 
 # Define build arguments
 ARG VERSION
diff --git a/apps/smartctl-exporter/Dockerfile b/apps/smartctl-exporter/Dockerfile
index 4752b4f..9b6c62e 100644
--- a/apps/smartctl-exporter/Dockerfile
+++ b/apps/smartctl-exporter/Dockerfile
@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:experimental
 
 # Use the Alpine Linux 3 base image
-FROM docker.io/alpine:3.20.0
+FROM docker.io/alpine:3.23.4
 
 # Define build arguments
 ARG VERSION
diff --git a/apps/tuned/Dockerfile b/apps/tuned/Dockerfile
index d347ef0..aaa2606 100644
--- a/apps/tuned/Dockerfile
+++ b/apps/tuned/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=$TARGETPLATFORM docker.io/alpine:3.21.3
+FROM --platform=$TARGETPLATFORM docker.io/alpine:3.23.4
 
 ARG TARGETPLATFORM
 ARG BUILDPLATFORM