diff --git a/pkgs/applications/science/math/cbc/default.nix b/pkgs/applications/science/math/cbc/default.nix
index 7643c912db4b..6de77d81be6f 100644
--- a/pkgs/applications/science/math/cbc/default.nix
+++ b/pkgs/applications/science/math/cbc/default.nix
@@ -1,11 +1,11 @@
 { lib, stdenv, fetchurl, zlib, bzip2 }:
 
 stdenv.mkDerivation {
-  name = "cbc-2.9.5";
+  name = "cbc-2.9.9";
 
   src = fetchurl {
-    url = "http://www.coin-or.org/download/source/Cbc/Cbc-2.9.5.tgz";
-    sha256 = "0kmsg9qpajh5jhnql04m6akpdjzlppxfz99q320vw5bkzgl3i18w";
+    url = "http://www.coin-or.org/download/source/Cbc/Cbc-2.9.9.tgz";
+    sha256 = "1w8axdzm05xf5y13c31w7rc5z6ywxqxiwafnxcq3p195kgj0915a";
   };
 
   configureFlags = "-C";