diff --git a/requirements.txt b/requirements.txt
index f9bbaad..23a211d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ attrs==17.4.0
 click==6.7
 coverage==4.4.2
 effect==0.11.0
-Flask==2.3.2
+Flask==3.1.3
 hypothesis==3.44.12
 itsdangerous==0.24
 Jinja2==2.11.3