diff --git a/requirements.txt b/requirements.txt
index 5ebe30be9..7bd2cbf21 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 ecdsa==0.10
 pycoin==0.25
-flask==0.10
+flask==2.2.5
 simplekv==0.8.4
 bcrypt==1.0.2