diff --git a/sleepdebugger/web/requirements.txt b/sleepdebugger/web/requirements.txt
index 167235b..226f390 100644
--- a/sleepdebugger/web/requirements.txt
+++ b/sleepdebugger/web/requirements.txt
@@ -7,7 +7,7 @@ Flask-DebugToolbar==0.10.1
 idna==2.5
 influxdb==4.1.0
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.11.3
 MarkupSafe==1.0
 python-dateutil==2.6.0
 pytz==2017.2