diff --git a/setup.py b/setup.py
index c41bcef..3bcda2f 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@
     ],
     install_requires=[
         'gps==3.9',
-        'Flask==1.0.2',
+        'Flask==2.3.2',
         'Flask-Classful==0.14.2',
         'singleton-decorator==1.0.0',
         'numpy==1.10.4',