diff --git a/SECURITY.md b/SECURITY.md
index 3bb207a0..4274a74a 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -6,6 +6,7 @@
 
 | Version | Supported          |
 | ------- | ------------------ |
+| 4.3.x   | :white_check_mark: |
 | 4.2.x   | :white_check_mark: |
 | 4.1.x   | :white_check_mark: |
 | 4.0.x   | :white_check_mark: |