diff --git a/requirements.txt b/requirements.txt
index 68540b7..3cc8d30 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 click==7.0                # via flask
 flask==1.1.1              # via flaskr (setup.py)
 itsdangerous==1.1.0       # via flask
-jinja2==2.11.1            # via flask
+jinja2==3.1.5            # via flask
 markupsafe==1.1.1         # via jinja2
 werkzeug==1.0.0           # via flask