diff --git a/Dockerfile b/Dockerfile
index d48420a..c3c544b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # Copyright 2024 OWASP CRS Project
 # SPDX-License-Identifier: Apache-2.0
 
-FROM alpine:3.21.0@sha256:21dc6063fd678b478f57c0e13f47560d0ea4eeba26dfc947b2a4f81f686b9f45
+FROM alpine:3.21.2@sha256:56fa17d2a7e7f168a043a2712e63aed1f8543aeafdcee47c58dcffe38ed51099
 
 RUN apk add --no-cache ca-certificates