diff --git a/docs/architecture/microservices/implement-resilient-applications/use-httpclientfactory-to-implement-resilient-http-requests.md b/docs/architecture/microservices/implement-resilient-applications/use-httpclientfactory-to-implement-resilient-http-requests.md
index 23cde27228f05..30fbfd7bd7605 100644
--- a/docs/architecture/microservices/implement-resilient-applications/use-httpclientfactory-to-implement-resilient-http-requests.md
+++ b/docs/architecture/microservices/implement-resilient-applications/use-httpclientfactory-to-implement-resilient-http-requests.md
@@ -188,7 +188,7 @@ Up to this point, the above code snippet has only shown the example of performin
   [https://docs.microsoft.com/aspnet/core/fundamentals/http-requests](/aspnet/core/fundamentals/http-requests)
 
 - **HttpClientFactory source code in the `dotnet/extensions` GitHub repository**  
-  <https://github.com/dotnet/extensions/tree/master/src/HttpClientFactory>
+  <https://github.com/dotnet/extensions/tree/v3.1.8/src/HttpClientFactory>
 
 - **Polly (.NET resilience and transient-fault-handling library)**  
   <http://www.thepollyproject.org/>