diff --git a/README b/README
index 6705c13fa..445f14cfb 100644
--- a/README
+++ b/README
@@ -8,4 +8,4 @@ Max-Planck-Str. 1
 Germany
 
 Email: DAMASK@mpie.de
-http://damask.mpie.de
+https://damask.mpie.de