diff --git a/requirements.txt b/requirements.txt
index cf24d23..97ee58a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ certifi==2020.12.5
 cffi==1.14.5
 click==7.1.2
 cryptography==3.2.1
-Flask==1.1.2
+Flask==3.1.3
 h11==0.12.0
 h2==4.0.0
 hpack==4.0.0