diff --git a/requirements.txt b/requirements.txt
index b3ce07d..9b9217e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Flask==1.1.2
+Flask==2.3.2
 pytest==5.4.1
 requests==2.22.0
 dnspython==1.16.0