diff --git a/pkgs/servers/x11/xorg/default.nix b/pkgs/servers/x11/xorg/default.nix
index 96f348e92b3..eee912d1b8c 100644
--- a/pkgs/servers/x11/xorg/default.nix
+++ b/pkgs/servers/x11/xorg/default.nix
@@ -669,11 +669,11 @@ let
   }) // {inherit windowswmproto libX11 libXext xextproto ;};
 
   libX11 = (mkDerivation "libX11" {
-    name = "libX11-1.6.4";
+    name = "libX11-1.6.5";
     builder = ./builder.sh;
     src = fetchurl {
-      url = mirror://xorg/individual/lib/libX11-1.6.4.tar.bz2;
-      sha256 = "0hg46i6h92pmb7xp1cis2j43zq3fkdz89p0yv35w4vm17az4iixp";
+      url = mirror://xorg/individual/lib/libX11-1.6.5.tar.bz2;
+      sha256 = "0pa3cfp6h9rl2vxmkph65250gfqyki0ccqyaan6bl9d25gdr0f2d";
     };
     buildInputs = [pkgconfig inputproto kbproto libxcb xextproto xf86bigfontproto xproto xtrans ];
     meta.platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/servers/x11/xorg/tarballs-7.7.list b/pkgs/servers/x11/xorg/tarballs-7.7.list
index 3247d3e7b15..4aeace9f0c2 100644
--- a/pkgs/servers/x11/xorg/tarballs-7.7.list
+++ b/pkgs/servers/x11/xorg/tarballs-7.7.list
@@ -59,7 +59,7 @@ mirror://xorg/individual/lib/libICE-1.0.9.tar.bz2
 mirror://xorg/individual/lib/libpciaccess-0.13.4.tar.bz2
 mirror://xorg/individual/lib/libSM-1.2.2.tar.bz2
 mirror://xorg/X11R7.7/src/everything/libWindowsWM-1.0.1.tar.bz2
-mirror://xorg/individual/lib/libX11-1.6.4.tar.bz2
+mirror://xorg/individual/lib/libX11-1.6.5.tar.bz2
 mirror://xorg/individual/lib/libXau-1.0.8.tar.bz2
 mirror://xorg/individual/lib/libXaw-1.0.13.tar.bz2
 mirror://xorg/individual/lib/libXcomposite-0.4.4.tar.bz2