diff --git a/requirements.txt b/requirements.txt
index 7474bba..4e92ac3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-flask==1.0.2
+flask==1.1.1
 flask_cors==3.0.7
 flask_caching==1.4.0
 flask_sqlalchemy==2.3.2