diff --git a/pkgs/servers/x11/xorg/default.nix b/pkgs/servers/x11/xorg/default.nix
index 8566c8c61749..2338e6ce184b 100644
--- a/pkgs/servers/x11/xorg/default.nix
+++ b/pkgs/servers/x11/xorg/default.nix
@@ -1118,11 +1118,11 @@ self: with self; {
   # THIS IS A GENERATED FILE.  DO NOT EDIT!
   libX11 = callPackage ({ stdenv, pkg-config, fetchurl, xorgproto, libpthreadstubs, libxcb, xtrans, testers }: stdenv.mkDerivation (finalAttrs: {
     pname = "libX11";
-    version = "1.8.9";
+    version = "1.8.10";
     builder = ./builder.sh;
     src = fetchurl {
-      url = "mirror://xorg/individual/lib/libX11-1.8.9.tar.xz";
-      sha256 = "0qijpp9l6hhwwx22hncrzjpmb5ffcakj6pxa5lzgjkhl3l8qz7bp";
+      url = "mirror://xorg/individual/lib/libX11-1.8.10.tar.xz";
+      sha256 = "0lywvwsz92j7isglvw2227g3na4ghyspvsvblpf43ns7jfnksfrb";
     };
     hardeningDisable = [ "bindnow" "relro" ];
     strictDeps = true;
diff --git a/pkgs/servers/x11/xorg/tarballs.list b/pkgs/servers/x11/xorg/tarballs.list
index 8305e1574040..fa9f0d33753a 100644
--- a/pkgs/servers/x11/xorg/tarballs.list
+++ b/pkgs/servers/x11/xorg/tarballs.list
@@ -173,7 +173,7 @@ mirror://xorg/individual/lib/libICE-1.1.1.tar.xz
 mirror://xorg/individual/lib/libpciaccess-0.18.1.tar.xz
 mirror://xorg/individual/lib/libSM-1.2.4.tar.xz
 mirror://xorg/individual/lib/libWindowsWM-1.0.1.tar.bz2
-mirror://xorg/individual/lib/libX11-1.8.9.tar.xz
+mirror://xorg/individual/lib/libX11-1.8.10.tar.xz
 mirror://xorg/individual/lib/libXau-1.0.11.tar.xz
 mirror://xorg/individual/lib/libXaw-1.0.16.tar.xz
 mirror://xorg/individual/lib/libxcb-1.17.0.tar.xz