diff --git a/requirements.txt b/requirements.txt
index 768be14..1fe290f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ extras==1.0.0
 feedgen==0.9.0
 feedparser==6.0.10
 fixtures==4.0.1
-Flask==2.1.2
+Flask==2.2.2
 Flask-Caching==2.0.1
 flask-gae-static==0.2
 google-api-core==2.7.1