diff --git a/channels/stable-4.5.yaml b/channels/stable-4.5.yaml
index b407b1ee2..bafc7a411 100644
--- a/channels/stable-4.5.yaml
+++ b/channels/stable-4.5.yaml
@@ -44,3 +44,4 @@ versions:
 - 4.5.19
 
 - 4.5.20
+- 4.5.21