diff --git a/docs/requirements.txt b/docs/requirements.txt
index d31c39d5e..4c60b811f 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -17,6 +17,7 @@ scikit-lego
 six
 sphinx-rtd-theme
 sphinxcontrib-bibtex
+statsmodels
 suod
 tensorflow
 torch