diff --git a/docs/requirements.txt b/docs/requirements.txt
index 53d0151..98ea920 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,5 +1,5 @@
 marshmallow>=3.22.0
-Flask>=1.1.2
+Flask>=3.1.2
 sphinx>=3.5.3
 sphinx-rtd-theme>=0.5.0
 sphinx-issues>=0.2.0