diff --git a/requirements.txt b/requirements.txt
index 35bfb87..95de79c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ ifaddr==0.1.7
 ipaddress==1.0.23
 ipython==5.5.0
 ipython-genutils==0.2.0
-Jinja2==2.10
+Jinja2==3.1.6
 Logbook==1.1.0
 MarkupSafe==1.0
 pathlib2==2.3.0