diff --git a/requirements.txt b/requirements.txt
index 8e98cf2..5c57800 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
-Jinja2>=2.8 # BSD License (3 clause)
+Jinja2!=2.9.0,!=2.9.1,!=2.9.2,!=2.9.3,!=2.9.4,>=2.8 # BSD License (3 clause)
 pymod2pkg>=0.7.0 # Apache-2.0
 PyYAML>=3.10.0 # MIT
 packaging>=16.5 # Apache-2.0