diff --git a/pkgs/servers/x11/xorg/default.nix b/pkgs/servers/x11/xorg/default.nix
index 0e8896325688..618f0a10ba4c 100644
--- a/pkgs/servers/x11/xorg/default.nix
+++ b/pkgs/servers/x11/xorg/default.nix
@@ -1054,11 +1054,11 @@ lib.makeScope newScope (self: with self; {
   }) {};
 
   libXvMC = callPackage ({ stdenv, pkgconfig, fetchurl, xorgproto, libX11, libXext, libXv }: stdenv.mkDerivation {
-    name = "libXvMC-1.0.11";
+    name = "libXvMC-1.0.12";
     builder = ./builder.sh;
     src = fetchurl {
-      url = "mirror://xorg/individual/lib/libXvMC-1.0.11.tar.bz2";
-      sha256 = "0bb2c996p0smp2lwckffcfh4701bzv7266xh230ag0x68ka38bja";
+      url = "mirror://xorg/individual/lib/libXvMC-1.0.12.tar.bz2";
+      sha256 = "1kbdjsvkm5l7axv7g477qj18sab2wnqhliy6197syzizgfbsfgbb";
     };
     hardeningDisable = [ "bindnow" "relro" ];
     nativeBuildInputs = [ pkgconfig ];
diff --git a/pkgs/servers/x11/xorg/tarballs.list b/pkgs/servers/x11/xorg/tarballs.list
index f0844a14ad49..c5101d7669a7 100644
--- a/pkgs/servers/x11/xorg/tarballs.list
+++ b/pkgs/servers/x11/xorg/tarballs.list
@@ -206,7 +206,7 @@ mirror://xorg/individual/lib/libXTrap-1.0.1.tar.bz2
 mirror://xorg/individual/lib/libXt-1.2.0.tar.bz2
 mirror://xorg/individual/lib/libXtst-1.2.3.tar.bz2
 mirror://xorg/individual/lib/libXv-1.0.11.tar.bz2
-mirror://xorg/individual/lib/libXvMC-1.0.11.tar.bz2
+mirror://xorg/individual/lib/libXvMC-1.0.12.tar.bz2
 mirror://xorg/individual/lib/libXxf86dga-1.1.5.tar.bz2
 mirror://xorg/individual/lib/libXxf86misc-1.0.4.tar.bz2
 mirror://xorg/individual/lib/libXxf86vm-1.1.4.tar.bz2