diff --git a/Dockerfile b/Dockerfile
index 85a53c2..edce42f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 #-------------------
 # Download hcloud
 #-------------------
-FROM alpine:3.19.1@sha256:c5b1261d6d3e43071626931fc004f70149baeba2c8ec672bd4f27761f8e1ad6b as builder
+FROM alpine:3.20.0@sha256:77726ef6b57ddf65bb551896826ec38bc3e53f75cdde31354fbffb4f25238ebd as builder
 
 # renovate: datasource=github-releases depName=hcloud-cli lookupName=hetznercloud/cli
 ARG HCLOUD_VERSION=v1.43.1