diff --git a/Dockerfile b/Dockerfile
index 083e1a7..2407517 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/library/alpine:3.20.3
+FROM docker.io/library/alpine:3.21.0
 RUN apk add --no-cache \
       bash \
       ca-certificates \