diff --git a/pkgs/development/libraries/libdrm/default.nix b/pkgs/development/libraries/libdrm/default.nix
index 3eb7325132a8..82307e9ab163 100644
--- a/pkgs/development/libraries/libdrm/default.nix
+++ b/pkgs/development/libraries/libdrm/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, pkgconfig, libpthreadstubs, libpciaccess, valgrind-light }:
 
 stdenv.mkDerivation rec {
-  name = "libdrm-2.4.90";
+  name = "libdrm-2.4.91";
 
   src = fetchurl {
     url = "http://dri.freedesktop.org/libdrm/${name}.tar.bz2";
-    sha256 = "db37ec8f1dbaa2c192ad9903c8d0988b858ae88031e96f169bf76aaf705db68b";
+    sha256 = "0068dn47c478vm1lyyhy02gilrpsma0xmcblhvs0dzqyrk80wjk3";
   };
 
   outputs = [ "out" "dev" "bin" ];