diff --git a/docs/docsite/requirements.txt b/docs/docsite/requirements.txt
index 4ad3aa474f3..4f06993bb9e 100644
--- a/docs/docsite/requirements.txt
+++ b/docs/docsite/requirements.txt
@@ -2,7 +2,8 @@
 jinja2
 PyYAML
 rstcheck
-sphinx
+sphinx==2.1.2 
 sphinx-notfound-page
 Pygments >= 2.4.0
 straight.plugin # Needed for hacking/build-ansible.py which is the backend build script
+make