diff --git a/communication/slack-config/channels.yaml b/communication/slack-config/channels.yaml
index 152596ef6..0c53a8dc3 100644
--- a/communication/slack-config/channels.yaml
+++ b/communication/slack-config/channels.yaml
@@ -305,6 +305,7 @@ channels:
   - name: sig-ui
   - name: sig-usability
   - name: sig-windows
+  - name: sig-windows-leads
   - name: skaffold
   - name: slack-admins
   - name: slack-infra