diff --git a/requirements.txt b/requirements.txt
index 0c78efa..209a82c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ cffi==1.11.5
 chardet==3.0.4
 click==6.7
 dokuwiki==1.1.0
-Flask==0.12.2
+Flask==1.0
 idna==2.6
 itsdangerous==0.24
 Jinja2==2.10