diff --git a/pkgs/development/libraries/gtk-libs-2.10/glib/default.nix b/pkgs/development/libraries/gtk-libs-2.10/glib/default.nix
index 10347fc267c..5a049732228 100644
--- a/pkgs/development/libraries/gtk-libs-2.10/glib/default.nix
+++ b/pkgs/development/libraries/gtk-libs-2.10/glib/default.nix
@@ -3,10 +3,10 @@
 assert pkgconfig != null && gettext != null && perl != null;
 
 stdenv.mkDerivation {
-  name = "glib-2.10.3";
+  name = "glib-2.12.0";
   src = fetchurl {
-    url = ftp://ftp.gtk.org/pub/gtk/v2.10/glib-2.10.3.tar.bz2;
-    md5 = "87206e721c12d185d17dd9ecd7e30369";
+    url = ftp://ftp.gtk.org/pub/gtk/v2.12/glib-2.12.0.tar.bz2;
+    md5 = "ea8c7733ba443e3db04cf7a84060f408";
   };
   buildInputs = [pkgconfig gettext perl];
 }