diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 5de888ff52ff..9bb991ba8e92 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -15047,6 +15047,12 @@
       fingerprint = "7F3E EEAA EE66 93CC 8782  042A 7550 7BE2 56F4 0CED";
     }];
   };
+  Tungsten842 = {
+    name = "Tungsten842";
+    email = "886724vf@anonaddy.me";
+    github = "Tungsten842";
+    githubId = 24614168;
+  };
   tiagolobocastro = {
     email = "tiagolobocastro@gmail.com";
     github = "tiagolobocastro";
diff --git a/pkgs/tools/misc/evhz/default.nix b/pkgs/tools/misc/evhz/default.nix
new file mode 100644
index 000000000000..703dcae083a3
--- /dev/null
+++ b/pkgs/tools/misc/evhz/default.nix
@@ -0,0 +1,31 @@
+{ lib
+, stdenv
+, fetchFromSourcehut
+}:
+
+stdenv.mkDerivation {
+  pname = "evhz";
+  version = "unstable-2021-09-20";
+
+  src = fetchFromSourcehut {
+    owner = "~iank";
+    repo = "evhz";
+    rev = "35b7526e0655522bbdf92f6384f4e9dff74f38a0";
+    hash = "sha256-lC0CeN9YVhkSiooC59Dbom811jHvPDQcYl+KADUwVdQ=";
+  };
+
+  buildPhase = "gcc -o evhz evhz.c";
+
+  installPhase = ''
+    mkdir -p $out/bin
+    mv evhz $out/bin
+  '';
+
+  meta = with lib; {
+    description = "Show mouse refresh rate under linux + evdev";
+    homepage = "https://git.sr.ht/~iank/evhz";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ Tungsten842 ];
+    platforms = platforms.linux;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 71b8e92518f3..6e3450e23dc4 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -518,6 +518,8 @@ with pkgs;
 
   evans = callPackage ../development/tools/evans { };
 
+  evhz = callPackage ../tools/misc/evhz { };
+
   expressvpn = callPackage ../applications/networking/expressvpn { };
 
   figma-linux = callPackage ../applications/graphics/figma-linux { };