diff --git a/requirements.txt b/requirements.txt
index ba3e917..fe96b99 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ click==6.7
 Flask==0.12.1
 itsdangerous==0.24
 Jinja2==2.9.6
-MarkupSafe==1.0
+MarkupSafe==2.0.1
 olefile==0.44
 packaging==16.8
 Pillow==4.1.1