diff --git a/led_server/requirements.txt b/led_server/requirements.txt
index cc388e9..de47ea7 100644
--- a/led_server/requirements.txt
+++ b/led_server/requirements.txt
@@ -11,7 +11,7 @@ Flask==1.1.1
 get==2019.4.13
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.11.3
+Jinja2==3.1.6
 MarkupSafe==1.1.1
 Pillow==9.0.1
 pkg-resources==0.0.0