diff --git a/SECURITY.md b/SECURITY.md
index 4adaa6f..eaabe9a 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -4,7 +4,8 @@
 
 | Version | Supported          |
 | ------- | ------------------ |
-| 0.3.x   | :white_check_mark: |
+| 0.4.x   | :white_check_mark: |
+| 0.3.x   | :x:                |
 | 0.2.x   | :x:                |
 | 0.1.x   | :x:                |