diff --git a/requirements.txt b/requirements.txt
index 7765cc6..727ba95 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ pyserial==3.4
 user-agents==2.0
 ua-parser==0.8.0
 six==1.11.0
-mako==0.9.1
+mako==1.2.2
 MarkupSafe==1.1.1
 chardet==3.0.4
 certifi==2019.9.11