diff --git a/SECURITY.md b/SECURITY.md
index 4ddca6f..8ef229d 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -8,9 +8,7 @@ currently being supported with security updates.
 | Version | Supported          |
 | ------- | ------------------ |
 | 5.1.x   | :white_check_mark: |
-| 5.0.x   | :x:                |
 | 4.1.x   | :white_check_mark: |
-| 4.0.x   | :x:                |
 
 ## Reporting a Vulnerability