diff --git a/header b/header
index 3b55fbf..f76e845 100644
--- a/header
+++ b/header
@@ -1 +1 @@
-# Welcome to this SCITAS machine:  http://scitas.epfl.ch  #
+# Welcome to this SCITAS machine:  https://scitas.epfl.ch  #
diff --git a/header.deneb b/header.deneb
index 4610d47..8855a55 100644
--- a/header.deneb
+++ b/header.deneb
@@ -1 +1 @@
-# Welcome to DENEB:  http://scitas.epfl.ch/hardware/deneb #
+# Welcome to DENEB:  https://scitas.epfl.ch/hardware/deneb #
diff --git a/header.fidis b/header.fidis
index bca123c..9dc224a 100644
--- a/header.fidis
+++ b/header.fidis
@@ -1 +1 @@
-# Welcome to FIDIS:  http://scitas.epfl.ch/hardware/fidis #
+# Welcome to FIDIS:  https://scitas.epfl.ch/hardware/fidis #