1 files changed, 5 insertions, 3 deletions
diff --git a/nixpkgs/pkgs/os-specific/linux/mdadm/default.nix b/nixpkgs/pkgs/os-specific/linux/mdadm/default.nix
index 01d2bba32a4d..05e0600928a3 100644
--- a/nixpkgs/pkgs/os-specific/linux/mdadm/default.nix
+++ b/nixpkgs/pkgs/os-specific/linux/mdadm/default.nix
@@ -1,12 +1,12 @@
-{ lib, stdenv, util-linux, coreutils, fetchurl, groff, system-sendmail }:
+{ lib, stdenv, util-linux, coreutils, fetchurl, groff, system-sendmail, udev }:
 
 stdenv.mkDerivation rec {
   pname = "mdadm";
-  version = "4.1";
+  version = "4.2";
 
   src = fetchurl {
     url = "mirror://kernel/linux/utils/raid/mdadm/mdadm-${version}.tar.xz";
-    sha256 = "0jjgjgqijpdp7ijh8slzzjjw690kydb1jjadf0x5ilq85628hxmb";
+    sha256 = "sha256-RhwhVnCGS7dKTRo2IGhKorL4KW3/oGdD8m3aVVes8B0=";
   };
 
   patches = [ ./no-self-references.patch ];
@@ -24,6 +24,8 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
+  buildInputs = [ udev ];
+
   nativeBuildInputs = [ groff ];
 
   postPatch = ''