diff --git a/pkgs/os-specific/linux/mmc-utils/default.nix b/pkgs/os-specific/linux/mmc-utils/default.nix
index 24249f9111d6..76927f79158b 100644
--- a/pkgs/os-specific/linux/mmc-utils/default.nix
+++ b/pkgs/os-specific/linux/mmc-utils/default.nix
@@ -1,12 +1,13 @@
-{ lib, stdenv, fetchzip }:
+{ lib, stdenv, fetchzip, unstableGitUpdater }:
 
 stdenv.mkDerivation {
   pname = "mmc-utils";
-  version = "2021-05-11";
+  version = "unstable-2022-04-26";
 
-  src = fetchzip {
-    url = "https://git.kernel.org/pub/scm/utils/mmc/mmc-utils.git/snapshot/mmc-utils-43282e80e174cc73b09b81a4d17cb3a7b4dc5cfc.tar.gz";
-    sha256 = "0l06ahmprqshh75pkdpagb8fgnp2bwn8q8hwp1yl3laww2ghm8i5";
+  src = fetchzip rec {
+    url = "https://git.kernel.org/pub/scm/utils/mmc/mmc-utils.git/snapshot/mmc-utils-${passthru.rev}.tar.gz";
+    passthru.rev = "b7e4d5a6ae9942d26a11de9b05ae7d52c0802802";
+    sha256 = "D2QgntRsa6Y39nCkXQupXFbJR++JfBpMeEZE0Gv0btc=";
   };
 
   makeFlags = [ "CC=${stdenv.cc.targetPrefix}cc" ];
@@ -17,6 +18,10 @@ stdenv.mkDerivation {
     cp man/mmc.1 $out/share/man/man1/
   '';
 
+  passthru.updateScript = unstableGitUpdater {
+    url = "https://git.kernel.org/pub/scm/utils/mmc/mmc-utils.git";
+  };
+
   meta = with lib; {
     description = "Configure MMC storage devices from userspace";
     homepage = "https://git.kernel.org/pub/scm/utils/mmc/mmc-utils.git/";