diff --git a/docs/requirements.txt b/docs/requirements.txt
index fe73949960..c2c7b57567 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -2,3 +2,7 @@ sphinx==4.3.2
 sphinx-rtd-theme==0.5.2
 readthedocs-sphinx-search==0.1.2
 Sphinx-Substitution-Extensions==2020.9.30.0
+recommonmark==0.5.0
+commonmark==0.9.1
+pillow==10.0.0
+mock==1.0.1