diff --git a/SECURITY.md b/SECURITY.md
index 2047610..b19d7b1 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -7,6 +7,10 @@ appreciate your efforts to responsibly disclose your findings. Due to the
 non-funded and open-source nature of the project, we take a best-efforts
 approach when it comes to engaging with security reports.
 
+This document should be considered expired after 2024-12-31. If you are reading
+this after that date, try to find an up-to-date version in the official source
+repository.
+
 ## Supported Versions
 
 Only the latest release of the project is supported with security updates.