diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 78d499f..a1ed6f1
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ idna==2.5
 image==1.5.5
 ipaddress==1.0.18
 itsdangerous==0.24
-Jinja2==2.9.5
+Jinja2==2.11.3
 lxml==3.7.3
 MarkupSafe==1.0
 matplotlib==2.0.0