diff --git a/SECURITY.md b/SECURITY.md
index d926b38..f185d9d 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -11,7 +11,7 @@
 
 If a security vulnerability has found, the details, possible mitigations,
 workarounds, etc. will be shared on the piler mailing list (piler-user@list.acts.hu)
-and on the wiki: http://www.mailpiler.org/
+and on the wiki: https://www.mailpiler.org/
 
 Security configurations