diff --git a/setup.py b/setup.py
index de46afb7..8373fb05 100644
--- a/setup.py
+++ b/setup.py
@@ -117,7 +117,7 @@
     install_requires=[
         "six",
         "aniso8601==1.2.0",
-        "Flask==0.12.2",
+        "Flask==2.3.2",
         "Flask-RESTful==0.3.4",
         "Jinja2==2.7.2",
         "MarkupSafe==0.23",