diff --git a/examples/friendschat/src/requirements.txt b/examples/friendschat/src/requirements.txt
index d31773b..1ce816a 100644
--- a/examples/friendschat/src/requirements.txt
+++ b/examples/friendschat/src/requirements.txt
@@ -13,5 +13,5 @@
 # limitations under the License.
 
 gunicorn==21.2.0
-Flask==2.3.2
+Flask==3.1.3
 Werkzeug==2.3.8