diff --git a/docs/requirements.txt b/docs/requirements.txt
index 72a7d48..5fe33c2 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,6 @@
 antsibull>=0.17.0
+antsibull-docs
+antsibull-changelog
 ansible-base>=2.10.12
 sphinx-rtd-theme
 git+https://github.com/felixfontein/ansible-basic-sphinx-ext