diff --git a/docs/rtd-requirements.txt b/docs/rtd-requirements.txt
index 8e9aebc4..cb1715bf 100644
--- a/docs/rtd-requirements.txt
+++ b/docs/rtd-requirements.txt
@@ -4,7 +4,7 @@ Babel==2.9.1
 DateTime==3.0.3
 DocumentTemplate==2.13.2
 ExtensionClass==2.13.2
-Jinja2==2.11.3
+Jinja2==3.1.6
 Markdown==2.0.3
 MarkupSafe==0.23
 Missing==2.13.1