diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index f4e8085..1cae448 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -26,6 +26,7 @@ jobs:
         sudo apt-get install -y xdg-utils
         sudo apt-get install -y lynx
         sudo apt-get install -y graphviz
+        sudo apt-get install -y pandoc
         pydeps hyswap -T png --max-bacon=3 --cluster
         mv hyswap.png docs/source/reference/hyswap.png
         (cd docs && make docs)