diff --git a/requirements-windows.txt b/requirements-windows.txt
index 87959e1..c224c64 100644
--- a/requirements-windows.txt
+++ b/requirements-windows.txt
@@ -6,7 +6,7 @@ gevent==1.4.0
 gevent-websocket==0.10.1
 greenlet==0.4.15
 itsdangerous==1.1.0
-Jinja2==2.10.3
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 pycparser==2.19
 redis==3.3.11
diff --git a/requirements.txt b/requirements.txt
index f4ff33d..4f41595 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ gevent-websocket==0.9.5
 greenlet==0.4.9
 gunicorn==19.5.0
 itsdangerous==0.24
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==0.23
 redis==2.10.5
 Werkzeug==0.15.3
\ No newline at end of file