diff --git a/SECURITY.md b/SECURITY.md
index 8fb54d46..2d4315dc 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -15,11 +15,7 @@ please check
 | -------- | ------------------ | -------------------------------------------------------------- |
 | 1.15.x   | :hammer:           | Development branch, releases may include non-security changes  |
 | 1.14.x   | :white_check_mark: | Stable branch, recommended for use in distributions            |
-| 1.13.x   | :x:                | Old development branch, no longer supported                    |
-| 1.12.x   | :warning:          | Old stable branch, security fixes applied if feasible          |
-| 1.11.x   | :x:                | Old development branch, no longer supported                    |
-| 1.10.x   | :warning:          | Old stable branch, security fixes applied if feasible          |
-| <= 1.9.x | :x:                | Older branches, no longer supported                            |
+| ≤ 1.13.x | :x:                | Older branches, no longer supported                            |
 
 The latest stable branch (currently 1.14.x) is the highest priority for
 security fixes.