diff --git a/verifiers-reference-implementation/python-server/requirements.txt b/verifiers-reference-implementation/python-server/requirements.txt
index 6784ffa..d84722b 100644
--- a/verifiers-reference-implementation/python-server/requirements.txt
+++ b/verifiers-reference-implementation/python-server/requirements.txt
@@ -1,4 +1,4 @@
-Flask==2.2.5
+Flask==3.1.3
 cryptography==41.0.1
 cbor2==5.4.6
 gunicorn==20.1.0