diff --git a/lutron-cert/requirements.txt b/lutron-cert/requirements.txt
index 9b1e023..251b3b2 100644
--- a/lutron-cert/requirements.txt
+++ b/lutron-cert/requirements.txt
@@ -1,3 +1,3 @@
 requests==2.22.0
-Flask==1.0.2
+Flask==1.0.3
 cryptography==2.6.1