diff --git a/SECURITY.md b/SECURITY.md
index 1ff3d4f..ebebcfb 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -5,7 +5,7 @@
 | Version | Supported          |
 | ------- | ------------------ |
 | 0.5.x   | :white_check_mark: |
-| 0.4.x   | :white_check_mark: |
+| 0.4.x   | :x:                |
 | 0.3.x   | :x:                |
 | 0.2.x   | :x:                |
 | 0.1.x   | :x:                |