diff --git a/SECURITY.md b/SECURITY.md
index 7625597fe1d..a5eeb5e7f94 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -2,10 +2,7 @@
 
 ## Supported Versions
 
-| Version | Supported          |
-| ------- | ------------------ |
-| 3.1.x   | :white_check_mark: |
-| < 3.1   | :x:                |
+This branch is unsupported. See https://github.com/mastodon/mastodon/security/policy for current information.
 
 ## Reporting a Vulnerability