diff --git a/pkgs/development/libraries/grantlee/default.nix b/pkgs/development/libraries/grantlee/default.nix
index 3944d2ecab6..9dde67b5c79 100644
--- a/pkgs/development/libraries/grantlee/default.nix
+++ b/pkgs/development/libraries/grantlee/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl, qt4, cmake }:
 
 stdenv.mkDerivation rec {
-  name = "grantlee-0.4.0";
+  name = "grantlee-0.5.1";
 
 # Upstream download server has country code firewall, so I made a mirror.
   src = fetchurl {
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
       "http://downloads.grantlee.org/${name}.tar.gz"
       "http://www.loegria.net/grantlee/${name}.tar.gz"
     ];
-    sha256 = "0gqdckxx45qmyixyz5d7ipcqq2dw26r71m2fpsrlnh4j2c9di8hk";
+    sha256 = "1b501xbimizmbmysl1j5zgnp48qw0r2r7lhgmxvzhzlv9jzhj60r";
   };
 
   buildInputs = [ cmake qt4 ];