diff --git a/Dockerfile b/Dockerfile
index 68d97ae..85dcf32 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@ RUN apt-get update && apt-get install -y \
 
 RUN /tmp/fetch_binaries.sh
 
-FROM alpine:3.19.1
+FROM alpine:3.21.0
 
 RUN set -ex \
     && echo "http://dl-cdn.alpinelinux.org/alpine/edge/main" >> /etc/apk/repositories \