diff --git a/docs/requirements.txt b/docs/requirements.txt
index ce5506d6..861ddfc8 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,5 @@
 docutils==0.14
+Jinja2==3.0.3
 Pygments==2.7.4
 Sphinx==2.0.1
 sphinxcontrib-websupport==1.1.0