diff --git a/requirements.txt b/requirements.txt
index e0bd1ae..d415815 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Flask==1.0.0
+Flask==1.1.1
 Flask-Bootstrap==3.0.3.1
 Flask-Login==0.2.7
 Flask-Mail==0.9.0