diff --git a/Dockerfile b/Dockerfile
index 667113f..56fc2c6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1
-FROM alpine:3.23 AS python-fips
+FROM alpine:3.24 AS python-fips
 
 # Only source version validated under FIPS 140-3 (CMVP #4985). Must not be
 # bumped automatically: any other version leaves the validated lineage.
diff --git a/legacy/Dockerfile_python b/legacy/Dockerfile_python
index 56c057c..9646b87 100644
--- a/legacy/Dockerfile_python
+++ b/legacy/Dockerfile_python
@@ -1,4 +1,4 @@
-FROM alpine:3.23 AS base
+FROM alpine:3.24 AS base
 
 ARG OPENSSL_VERSION=3.6.4
 ARG PYTHON_VERSION=3.12.14
diff --git a/legacy/Dockerfile_python_nodejs b/legacy/Dockerfile_python_nodejs
index cd364aa..f7cba9d 100644
--- a/legacy/Dockerfile_python_nodejs
+++ b/legacy/Dockerfile_python_nodejs
@@ -1,4 +1,4 @@
-FROM alpine:3.23 AS base
+FROM alpine:3.24 AS base
 
 ARG OPENSSL_VERSION=3.6.4
 ARG PYTHON_VERSION=3.12.14