diff --git a/Dockerfiles/ubuntu2204 b/Dockerfiles/ubuntu2204
index 290a230..9847b13 100644
--- a/Dockerfiles/ubuntu2204
+++ b/Dockerfiles/ubuntu2204
@@ -64,4 +64,4 @@ RUN export DEBIAN_FRONTEND=noninteractive && \
         pygments.rb \
         rghost \
         rouge && \
-    npm install -g wavedrom-cli@2.6.8 bytefield-svg@1.8.0
+    npm install -g wavedrom-cli@2.6.8 bytefield-svg@1.8.0 @mermaid-js/mermaid-cli