diff --git a/Dockerfile b/Dockerfile
index 5fe493f..cdf199b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,8 @@ RUN sed -i -e 's/^APT/# APT/' -e 's/^DPkg/# DPkg/' /etc/apt/apt.conf.d/docker-cl
 	export DEBIAN_FRONTEND=noninteractive; \
 	apt update; apt install -y curl; \
 	curl -sL https://deb.nodesource.com/setup_16.x | bash; \
-	apt install -y texlive-full jq wget git cppcheck nodejs; \
+	apt install -y texlive-full jq wget git cppcheck nodejs python3 python3-pip graphviz plantuml; \
 	cd /tmp; \
 	wget https://github.com/jgm/pandoc/releases/download/2.18/pandoc-2.18-1-amd64.deb; \
-	dpkg -i pandoc-2.18-1-amd64.deb; 
+	dpkg -i pandoc-2.18-1-amd64.deb; \
+	pip3 install pandoc-plantuml-filter