diff --git a/content/blogs/sources.yaml b/content/blogs/sources.yaml
index 5cc5d73..64fd9e6 100644
--- a/content/blogs/sources.yaml
+++ b/content/blogs/sources.yaml
@@ -28,3 +28,9 @@
   author: Matthias Wippich
   website_url: https://pydong.org
   rss_url: https://pydong.org/feed.xml
+- id: oldnewthing
+  title: The Old New Thing
+  author: Raymond Chen
+  website_url: https://devblogs.microsoft.com/oldnewthing/
+  rss_url: https://devblogs.microsoft.com/oldnewthing/feed
+  sitemap_url: https://devblogs.microsoft.com/oldnewthing/sitemap.xml