diff --git a/README.md b/README.md
index 87cbefbf6..5f133b5aa 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
-## Security Onion 2.3.20
+## Security Onion 2.3.21
 
-Security Onion 2.3.20 is here!
+Security Onion 2.3.21 is here!
 
 ## Screenshots