diff --git a/Dockerfile.alpine b/Dockerfile.alpine
index 4eec1bfc..4b7f1cd7 100644
--- a/Dockerfile.alpine
+++ b/Dockerfile.alpine
@@ -1,5 +1,5 @@
 ### Release image
-FROM alpine:3.20.3@sha256:1e42bbe2508154c9126d48c2b8a75420c3544343bf86fd041fb7527e017a4b4a
+FROM alpine:3.21.0@sha256:21dc6063fd678b478f57c0e13f47560d0ea4eeba26dfc947b2a4f81f686b9f45
 
 LABEL org.opencontainers.image.source="https://github.com/patrickhoefler/dockerfilegraph"
 
@@ -7,7 +7,7 @@ LABEL org.opencontainers.image.source="https://github.com/patrickhoefler/dockerf
 ENV FONT_DEJAVU_VERSION="2.37-r5"
 
 # renovate: datasource=repology depName=alpine_3_20/graphviz versioning=loose
-ENV GRAPHVIZ_VERSION="9.0.0-r2"
+ENV GRAPHVIZ_VERSION="12.2.0-r0"
 
 RUN apk add --update --no-cache \
   font-dejavu="${FONT_DEJAVU_VERSION}" \