diff --git a/service_invocation/python/http/order-processor/requirements.txt b/service_invocation/python/http/order-processor/requirements.txt
index 382469136..4e8b0c682 100644
--- a/service_invocation/python/http/order-processor/requirements.txt
+++ b/service_invocation/python/http/order-processor/requirements.txt
@@ -1,3 +1,4 @@
 Flask
 dapr
-typing-extensions
\ No newline at end of file
+typing-extensions
+aiohttp>=3.9.4 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file