diff --git a/.well-known/security.txt b/.well-known/security.txt
new file mode 100644
index 0000000..2927c94
--- /dev/null
+++ b/.well-known/security.txt
@@ -0,0 +1,6 @@
+Contact: mailto:security@tilde.club
+Expires: 2026-06-30T06:00:00.000Z
+Encryption: https://tilde.club/pgp-key.txt
+Preferred-Languages: en
+Canonical: https://tilde.club/.well-known/security.txt
+Canonical: https://tilde.club/security.txt