diff --git a/SECURITY.md b/SECURITY.md
index 6edd3170..0ff879b0 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -7,7 +7,7 @@ The current version is actively maintained and will receive frequent updates and
 | Version | Supported          |
 | ------- | ------------------ |
 | 4.0.x   | :white_check_mark: |
-| < 3.0   | :x:                |
+| < 4.0.0   | :x:                |
 
 ## Reporting a Vulnerability