diff --git a/doc/docker/Dockerfile b/doc/docker/Dockerfile
index 94f8625..965fa36 100644
--- a/doc/docker/Dockerfile
+++ b/doc/docker/Dockerfile
@@ -5,15 +5,9 @@ RUN apt update && apt install -y --no-install-recommends nodejs git ruby-rubygem
 
 RUN gem install asciidoctor asciidoctor-diagram
 
-# for generating the diagrams with mmdc
-RUN apt install -y --no-install-recommends npm && apt clean
-
-# these are the dependencies of chromium which is required to convert the diagrams to SVG
-RUN apt install -y --no-install-recommends libasound2 libatk-bridge2.0-0 libatk1.0-0 libatspi2.0-0 libc++1-16 libc++abi1-16 libc6 libcairo2 libcups2 libdav1d6 libdbus-1-3 libdouble-conversion3 libdrm2 libevent-2.1-7 libexpat1 libflac12 libfontconfig1 libfreetype6 libgbm1 libglib2.0-0 libharfbuzz-subset0 libharfbuzz0b libjpeg62-turbo liblcms2-2 libminizip1 libnspr4 libnss3 libopenh264-7 libopenjp2-7 libopus0 libpango-1.0-0 libpng16-16 libpulse0 libunwind-16 libx11-6 libxcb1 libxcomposite1 libxdamage1 libxext6 libxfixes3 libxkbcommon0 libxml2 libxnvctrl0 libxrandr2 libxslt1.1 libzstd1 zlib1g libgtk-3-0 && apt clean
+# tools for diagram generation
+RUN apt install -y --no-install-recommends mscgen && apt clean
 
+# run as unprivileged user in the container
 RUN useradd -m ciuser
-RUN npm install -g @mermaid-js/mermaid-cli@9.1.7
-
-COPY mermaid-ci-config.json /home/ciuser/mermaid-ci-config.json
-
 USER ciuser