diff --git a/tests/requirements/reqs-flask-1.0.txt b/tests/requirements/reqs-flask-1.0.txt
index b81a74b02..029a82cdf 100644
--- a/tests/requirements/reqs-flask-1.0.txt
+++ b/tests/requirements/reqs-flask-1.0.txt
@@ -1,4 +1,4 @@
-jinja2<3.2.0
+jinja2<3.1.0
 Werkzeug<2.1.0
 Flask>=1.0,<1.1
 MarkupSafe<2.1