diff --git a/docker/README.md b/docker/README.md
index 3970cdd..315dd9c 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -11,4 +11,4 @@ While there should preferably be only one official docker image to build the boo
 | docker/python3/focal/Dockerfile | Python3 on Focal | cppalliance/boost_superproject_build:20.04-v1 | 2023-01 Updates most gem and pip packages |
 | docker/python3/focal/Dockerfile | Python3 on Focal | cppalliance/boost_superproject_build:20.04-v2 | 2023-09 Install rclone and aws cli |
 | docker/python3/focal/Dockerfile | Python3 on Focal | cppalliance/boost_superproject_build:20.04-v3 | 2023-10 installs nodejs, npm for antora builds |
-| docker/python3/focal/Dockerfile | Python3 on Focal | cppalliance/boost_superproject_build:20.04-v4 | 2023-10 asciidoctor-diagram, asciidoctor-multipage |
+| docker/python3/focal/Dockerfile | Python3 on Focal | cppalliance/boost_superproject_build:20.04-v4 | 2023-10 asciidoctor-diagram, asciidoctor-multipage, @mermaid-js/mermaid-cli |
diff --git a/docker/python3/focal/Dockerfile b/docker/python3/focal/Dockerfile
index b7afe05..9cb9f12 100644
--- a/docker/python3/focal/Dockerfile
+++ b/docker/python3/focal/Dockerfile
@@ -91,7 +91,8 @@ RUN . "$NVM_DIR/nvm.sh" && nvm alias default v${NODE_VERSION}
 ENV PATH="/root/.nvm/versions/node/v${NODE_VERSION}/bin/:${PATH}"
 RUN node --version
 RUN npm --version
-RUN npm install -g gulp-cli
+RUN npm install -g gulp-cli@2.3.0
+RUN npm install -g @mermaid-js/mermaid-cli@10.5.1
 
 ENV LC_ALL en_US.UTF-8
 ENV LANG en_US.UTF-8