diff --git a/sample-apps/flask/requirements.txt b/sample-apps/flask/requirements.txt
index 06765afd..0d87e23f 100644
--- a/sample-apps/flask/requirements.txt
+++ b/sample-apps/flask/requirements.txt
@@ -2,7 +2,7 @@ boto3==1.34.26
 certifi==2023.11.17
 chardet==5.2.0
 Flask==2.3.3
-idna==3.6
+idna==3.7
 requests==2.31.0
 urllib3==1.26.18
 Werkzeug==3.0.1