diff --git a/SECURITY.md b/SECURITY.md
index 034e84803..773b7588d 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -10,7 +10,7 @@ currently being supported with security updates.
 | 5.1.x   | :white_check_mark: |
 | 5.0.x   | :x:                |
 | 4.0.x   | :white_check_mark: |
-| < 4.0   | :x:                |
+| < 4.0   | #                  |
 
 ## Reporting a Vulnerability