diff --git a/labs/gsp130/endpointslambda/aeflex-endpoints/requirements.txt b/labs/gsp130/endpointslambda/aeflex-endpoints/requirements.txt
index 4941568..8142515 100644
--- a/labs/gsp130/endpointslambda/aeflex-endpoints/requirements.txt
+++ b/labs/gsp130/endpointslambda/aeflex-endpoints/requirements.txt
@@ -1,4 +1,4 @@
-Flask==1.0
+Flask==3.1.3
 flask-cors==3.0.9
 gunicorn==19.6.0
 six==1.10.0