diff --git a/internal-channels/fast.yaml b/internal-channels/fast.yaml
index d04aa6339..2a0f94fd2 100644
--- a/internal-channels/fast.yaml
+++ b/internal-channels/fast.yaml
@@ -159,3 +159,4 @@ versions:
 - 4.9.17
 - 4.9.18
 - 4.9.19
+- 4.9.21