diff --git a/Formula/libxc.rb b/Formula/libxc.rb
index 560157d407..2f02b40ad0 100644
--- a/Formula/libxc.rb
+++ b/Formula/libxc.rb
@@ -1,9 +1,8 @@
 class Libxc < Formula
   desc "Library of exchange and correlation functionals for codes"
   homepage "http://www.tddft.org/programs/libxc/"
-  url "http://www.tddft.org/programs/octopus/down.php?file=libxc/3.0.1/libxc-3.0.1.tar.gz"
-  sha256 "836692f2ab60ec3aca0cca105ed5d0baa7d182be07cc9d0daa7b80ee1362caf7"
-  revision 2
+  url "http://www.tddft.org/programs/octopus/download/libxc/4.2.3/libxc-4.2.3.tar.gz"
+  sha256 "02e49e9ba7d21d18df17e9e57eae861e6ce05e65e966e1e832475aa09e344256"
 
   bottle do
     cellar :any