diff --git a/requirements.txt b/requirements.txt
index bbdf639..1cff9c7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 click==6.6
 flask>=0.12.3
 itsdangerous==0.24
-Jinja2==2.8
+Jinja2==3.1.6
 MarkupSafe==0.23
 pyaml==16.9.0
 pyyaml>=4.2b1