diff --git a/docs/requirements.txt b/docs/requirements.txt
index 3769bf9a5..6abdcdab6 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
 Sphinx==4.1.2
 Pallets-Sphinx-Themes==2.0.1
 sphinx-rtd-theme==0.5.2
-
+jinja2<3.1.0