diff --git a/requirements/pinned.txt b/requirements/pinned.txt
index c1372f498..e7c8ef99e 100644
--- a/requirements/pinned.txt
+++ b/requirements/pinned.txt
@@ -1,5 +1,5 @@
 apispec>=0.20.0,<0.39
-Flask==2.1.3
+Flask==3.1.3
 flask-marshmallow>=0.7,<0.8
 Flask-SQLAlchemy>=2.5.1,<3
 marshmallow>=2.13.5,<3