diff --git a/requirements/testing.txt b/requirements/testing.txt
index aabd735..f4186f7 100644
--- a/requirements/testing.txt
+++ b/requirements/testing.txt
@@ -1,6 +1,6 @@
 # pip install -r requirements/testing.txt
 pytest>=8.4.2,<9
 pytest-cov>=7.1.0,<8
-Flask>=2.0.3,<4 
+Flask>=3.1.3,<4 
 gevent>=22.10.2,<27
 gevent-websocket>=0.10.1,<1