diff --git a/requirements.txt b/requirements.txt
index f4e69b1..9b102a9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ Flask-WTF==0.14.2
 itsdangerous==1.1.0
 Jinja2>=2.10.1
 kiwisolver==1.0.1
-Mako==1.0.7
+Mako==1.2.2
 MarkupSafe==1.1.0
 matplotlib==3.0.2
 nltk==3.4.5