diff --git a/mod4b-rundocker/requirements.txt b/mod4b-rundocker/requirements.txt
index 3f9026e..dd5a9a8 100644
--- a/mod4b-rundocker/requirements.txt
+++ b/mod4b-rundocker/requirements.txt
@@ -1,3 +1,3 @@
 gunicorn==20.1.0
-flask==1.1.2
+flask==2.3.2
 google-cloud-datastore==2.1.3