diff --git a/channels/stable-4.2.yaml b/channels/stable-4.2.yaml
index d039e3e7f..edd1c15ca 100644
--- a/channels/stable-4.2.yaml
+++ b/channels/stable-4.2.yaml
@@ -37,3 +37,4 @@ versions:
 - 4.2.18
 - 4.2.19
 - 4.2.20
+- 4.2.21