diff --git a/Dockerfile b/Dockerfile
index 3b4d925..123b216 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax = docker/dockerfile:1
 
-FROM alpine:3.19
+FROM alpine:3.21
 
 # Install interpreter languages and tools
 RUN --mount=type=cache,target=/etc/apk/cache,id=apk \