diff --git a/pkgs/development/libraries/mesa/default.nix b/pkgs/development/libraries/mesa/default.nix
index c8eee42a252..aca9a237b0c 100644
--- a/pkgs/development/libraries/mesa/default.nix
+++ b/pkgs/development/libraries/mesa/default.nix
@@ -67,7 +67,7 @@ let
 in
 
 let
-  version = "18.1.8";
+  version = "18.2.1";
   branch  = head (splitString "." version);
 in
 
@@ -81,7 +81,7 @@ let self = stdenv.mkDerivation {
       "ftp://ftp.freedesktop.org/pub/mesa/older-versions/${branch}.x/${version}/mesa-${version}.tar.xz"
       "https://mesa.freedesktop.org/archive/mesa-${version}.tar.xz"
     ];
-    sha256 = "bd1be67fe9c73b517765264ac28911c84144682d28dbff140e1c2deb2f44c21b";
+    sha256 = "0mhhr1id11s1fbdxbvr4a81xjh1nsznpra9dl36bv2hq7mpxqdln";
   };
 
   prePatch = "patchShebangs .";
@@ -144,7 +144,7 @@ let self = stdenv.mkDerivation {
   buildInputs = with xorg; [
     expat llvmPackages.llvm libglvnd
     glproto dri2proto dri3proto presentproto
-    libX11 libXext libxcb libXt libXfixes libxshmfence
+    libX11 libXext libxcb libXt libXfixes libxshmfence libXrandr
     libffi libvdpau libelf libXvMC
     libpthreadstubs openssl/*or another sha1 provider*/
     valgrind-light python2 python2.pkgs.Mako
diff --git a/pkgs/development/libraries/mesa/missing-includes.patch b/pkgs/development/libraries/mesa/missing-includes.patch
index feb6ffe428c..18e7d5437b1 100644
--- a/pkgs/development/libraries/mesa/missing-includes.patch
+++ b/pkgs/development/libraries/mesa/missing-includes.patch
@@ -32,16 +32,6 @@
  #include <unistd.h>
  #include <fcntl.h>
  #else
---- ./src/mesa/drivers/dri/i965/brw_bufmgr.h
-+++ ./src/mesa/drivers/dri/i965/brw_bufmgr.h
-@@ -37,6 +37,7 @@
- #include <stdbool.h>
- #include <stdint.h>
- #include <stdio.h>
-+#include <time.h>
- #include "util/u_atomic.h"
- #include "util/list.h"
-
 --- ./src/amd/vulkan/winsys/amdgpu/radv_amdgpu_winsys.h
 +++ ./src/amd/vulkan/winsys/amdgpu/radv_amdgpu_winsys.h
 @@ -28,6 +28,8 @@
diff --git a/pkgs/servers/x11/xorg/extra.list b/pkgs/servers/x11/xorg/extra.list
index 28b698bdc81..222a9f65426 100644
--- a/pkgs/servers/x11/xorg/extra.list
+++ b/pkgs/servers/x11/xorg/extra.list
@@ -1,6 +1,6 @@
 http://xcb.freedesktop.org/dist/libpthread-stubs-0.4.tar.bz2
-http://xcb.freedesktop.org/dist/libxcb-1.12.tar.bz2
-http://xcb.freedesktop.org/dist/xcb-proto-1.12.tar.bz2
+http://xcb.freedesktop.org/dist/libxcb-1.13.tar.bz2
+http://xcb.freedesktop.org/dist/xcb-proto-1.13.tar.bz2
 http://xcb.freedesktop.org/dist/xcb-util-0.4.0.tar.bz2
 http://xcb.freedesktop.org/dist/xcb-util-cursor-0.1.3.tar.bz2
 http://xcb.freedesktop.org/dist/xcb-util-image-0.4.0.tar.bz2