diff --git a/.woodpecker/epub.yml b/.woodpecker/epub.yml
index f792022..57dad7b 100644
--- a/.woodpecker/epub.yml
+++ b/.woodpecker/epub.yml
@@ -18,7 +18,7 @@ steps:
     image: archlinux:latest
     commands:
       - pacman -Sy --needed --noconfirm archlinux-keyring
-      - pacman -Syu --needed --noconfirm epubcheck inkscape noto-fonts make patch python-myst-parser python-sphinx python-sphinxext-opengraph ttf-montserrat
+      - pacman -Syu --needed --noconfirm epubcheck inkscape noto-fonts make patch python-myst-parser python-sphinx python-sphinxext-opengraph python-sphinx-sitemap ttf-montserrat
       # fix sphinx: https://github.com/sphinx-doc/sphinx/issues/11598
       - patch -Np1 -d /usr/lib/python3.11/site-packages/ -i "$(pwd)/book/patches/sphinx-11766.patch"
       - make -C book epub-check
diff --git a/.woodpecker/links.yml b/.woodpecker/links.yml
index 415b142..add8878 100644
--- a/.woodpecker/links.yml
+++ b/.woodpecker/links.yml
@@ -19,5 +19,5 @@ steps:
     image: archlinux:latest
     commands:
       - pacman -Sy --needed --noconfirm archlinux-keyring
-      - pacman -Syu --needed --noconfirm inkscape lychee make noto-fonts python-myst-parser python-sphinx python-sphinxext-opengraph ttf-montserrat
+      - pacman -Syu --needed --noconfirm inkscape lychee make noto-fonts python-myst-parser python-sphinx python-sphinxext-opengraph python-sphinx-sitemap ttf-montserrat
       - make -C book html-linkcheck