diff --git a/pkgs/servers/x11/xorg/default.nix b/pkgs/servers/x11/xorg/default.nix
index 55c2dd88ed2..13b48256e9f 100644
--- a/pkgs/servers/x11/xorg/default.nix
+++ b/pkgs/servers/x11/xorg/default.nix
@@ -868,11 +868,11 @@ let
   })) // {inherit xproto zlib ;};
     
   libpciaccess = (stdenv.mkDerivation ((if overrides ? libpciaccess then overrides.libpciaccess else x: x) {
-    name = "libpciaccess-0.11.0";
+    name = "libpciaccess-0.12.0";
     builder = ./builder.sh;
     src = fetchurl {
-      url = mirror://xorg/individual/lib/libpciaccess-0.11.0.tar.bz2;
-      sha256 = "1avx3kn44lk3xs49q8bqh8hqi08x0inab2zxlrk3rj2nnq9bwf3f";
+      url = mirror://xorg/individual/lib/libpciaccess-0.12.0.tar.bz2;
+      sha256 = "0msnx3mcbqgghjscq3z1nh894k71k3bx659iaqlhgaqa3h7c1czn";
     };
     buildInputs = [pkgconfig zlib ];
   })) // {inherit zlib ;};
diff --git a/pkgs/servers/x11/xorg/tarballs-7.5.list b/pkgs/servers/x11/xorg/tarballs-7.5.list
index 8c8b0f38f5b..4daec9d31ee 100644
--- a/pkgs/servers/x11/xorg/tarballs-7.5.list
+++ b/pkgs/servers/x11/xorg/tarballs-7.5.list
@@ -53,7 +53,7 @@ mirror://xorg/X11R7.5/src/everything/libdmx-1.1.0.tar.bz2
 mirror://xorg/X11R7.5/src/everything/libfontenc-1.0.5.tar.bz2
 mirror://xorg/X11R7.5/src/everything/libFS-1.0.2.tar.bz2
 mirror://xorg/X11R7.5/src/everything/libICE-1.0.6.tar.bz2
-mirror://xorg/individual/lib/libpciaccess-0.11.0.tar.bz2
+mirror://xorg/individual/lib/libpciaccess-0.12.0.tar.bz2
 mirror://xorg/X11R7.5/src/everything/libSM-1.1.1.tar.bz2
 mirror://xorg/X11R7.5/src/everything/libWindowsWM-1.0.1.tar.bz2
 mirror://xorg/individual/lib/libX11-1.3.4.tar.bz2