diff --git a/.github/workflows/sphinx_autodoc.yaml b/.github/workflows/sphinx_autodoc.yaml
index 8c4c848..1fc0a9a 100644
--- a/.github/workflows/sphinx_autodoc.yaml
+++ b/.github/workflows/sphinx_autodoc.yaml
@@ -12,6 +12,9 @@ jobs:
             run: |
               sudo apt-get update
               sudo apt-get install -y graphviz graphviz-dev
+        -   name: Install Pandoc
+            run: |
+              sudo apt-get install -y pandoc
         -   name: Setup Python
             uses: actions/setup-python@v5
             with: