fix link to yubico-c

diff --git a/README b/README
index 78285a775b3c3448da530a9c8d8497405f785893..033526c0c1320515442e1c489b1103b14f5fe6a2 100644 (file)
--- a/README
+++ b/README
@@ -22,7 +22,7 @@ we give example for some flavours.  If you know how to install
 dependencies on other systems, let us know.  Debian hints should apply
 to Debian derivatives as well, including Ubuntu.
 
-Yubico-c is needed, see: http://yubico.github.io/yubico-c/
+Yubico-c is needed, see: http://opensource.yubico.com/yubico-c/
 
   Debian:           apt-get install libyubikey-dev