diff --git a/SECURITY.md b/SECURITY.md
index b006e8d..50e20b7 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -10,3 +10,4 @@ currently being supported with security updates.
 | 1.0.x   | :white_check_mark: |
 | 2.0.x   | :white_check_mark:                |
 | 3.0.x   | :white_check_mark: |
+| 4.0.x   | :white_check_mark: |