diff --git a/.github/workflows/build-docs.yaml b/.github/workflows/build-docs.yaml
index 24a8a747c5..899f8da0f8 100644
--- a/.github/workflows/build-docs.yaml
+++ b/.github/workflows/build-docs.yaml
@@ -31,7 +31,7 @@ jobs:
     steps:
       - name: Install dependencies
         run: |
-          sudo apt install -y doxygen
+          sudo apt install -y doxygen graphviz
           python3 -m pip install \
               sphinx==7.1.2 \
               sphinxcontrib.plantuml \