diff --git a/README b/README
index 0e511bc..6216dcf 100644
--- a/README
+++ b/README
@@ -1,5 +1,5 @@
 This extension implements a Z39.50 client for PHP using the YAZ toolkit.
 
 Find more information at:
-  http://www.indexdata.com/phpyaz
-  http://www.indexdata.com/yaz
+  https://www.indexdata.com/phpyaz
+  https://www.indexdata.com/yaz