diff --git a/Dockerfile b/Dockerfile
index 8e5d0e1..2e7437a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 ARG PYTHON_PACKAGES="python3 python3-dev py3-pip pandoc-cli"
-ARG SYSTEM_PACKAGES="graphviz nodejs git-lfs make ncurses"
+ARG SYSTEM_PACKAGES="graphviz nodejs git-lfs make ncurses openjdk21"
 
 FROM harbor.pollinger.dev/dockerhub-mirror/alpine:latest AS base
 ARG SYSTEM_PACKAGES
@@ -29,4 +29,4 @@ ENV TERM=xterm-256color
 ARG PYTHON_PACKAGES
 RUN apk add --no-cache ${PYTHON_PACKAGES}
 RUN python -m venv /root/venv
-ENV PATH="/root/venv/bin:$PATH"
\ No newline at end of file
+ENV PATH="/root/venv/bin:$PATH"