diff --git a/Dockerfile b/Dockerfile
index 890920b..fa4da2c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/library/alpine:3.20 as runtime
+FROM docker.io/library/alpine:3.21 as runtime
 
 RUN \
   apk add --update --no-cache \