diff --git a/setup.py b/setup.py
index 542b8bf..c584c9e 100644
--- a/setup.py
+++ b/setup.py
@@ -45,7 +45,7 @@
     include_package_data=True,
     install_requires=(
         'click==8.1.3',
-        'flask==2.2.2',
+        'flask==2.3.3',
         'itsdangerous==2.1.2',
         'jinja2==3.1.2',
         'markdown==3.4.1',