diff --git a/setup.py b/setup.py
index f2e9538..8a70da6 100644
--- a/setup.py
+++ b/setup.py
@@ -88,7 +88,7 @@ def find_version(*file_paths):
         'statsmodels>=0.8.0',
         'termcolor>=1.1.0',
         'powerlaw>=1.4.6',
-        'flask==2.3.2',
+        'flask==3.1.3',
         'markov-clustering>=0.0.6.dev0',
         'fastcluster>=1.1.25',
         'bcolz>=1.2.1',