diff --git a/requirements.txt b/requirements.txt
index 2777fa3..316db48 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ gevent==1.4.0
 greenlet==0.4.15
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 Naked==0.1.31
 pyasn1==0.4.8