diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 5b7eec82c7a1..e76be349e6fb 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -731,6 +731,16 @@
     githubId = 135230;
     name = "Aycan iRiCAN";
   };
+  b4dm4n = {
+    email = "fabianm88@gmail.com";
+    github = "B4dM4n";
+    githubId = 448169;
+    name = "Fabian Möller";
+    keys = [{
+      longkeyid = "rsa4096/0x754B5C0963C42C5";
+      fingerprint = "6309 E212 29D4 DA30 AF24  BDED 754B 5C09 63C4 2C50";
+    }];
+  };
   babariviere = {
     email = "babathriviere@gmail.com";
     github = "babariviere";
diff --git a/pkgs/development/tools/rust/cargo-udeps/default.nix b/pkgs/development/tools/rust/cargo-udeps/default.nix
new file mode 100644
index 000000000000..829f9aa3740d
--- /dev/null
+++ b/pkgs/development/tools/rust/cargo-udeps/default.nix
@@ -0,0 +1,28 @@
+{ stdenv, rustPlatform, fetchFromGitHub, pkgconfig, openssl, CoreServices, Security, libiconv }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "cargo-udeps";
+  version = "0.1.5";
+
+  src = fetchFromGitHub {
+    owner = "est31";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0lrfnrxqmpp06fargb5s5fc9y4w4h0ahbd7rgibqqx1la23l9r5q";
+  };
+
+  cargoSha256 = "18rwzcsrlwds3nx90y03dkqm1hl4dpvclm32i9zy9bhpm9hkypwr";
+
+  nativeBuildInputs = [ pkgconfig ];
+
+  buildInputs = [ openssl ]
+    ++ stdenv.lib.optionals stdenv.isDarwin [ CoreServices Security libiconv ];
+
+  meta = with stdenv.lib; {
+    description = "Find unused dependencies in Cargo.toml";
+    homepage = "https://github.com/est31/cargo-udeps";
+    license = licenses.mit;
+    maintainers = with maintainers; [ b4dm4n ];
+    platforms = platforms.all;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 6281ae073c64..9702440cc3ff 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8623,6 +8623,9 @@ in
     inherit (darwin.apple_sdk.frameworks) Security;
   };
   cargo-sweep = callPackage ../development/tools/rust/cargo-sweep { };
+  cargo-udeps = callPackage ../development/tools/rust/cargo-udeps {
+    inherit (darwin.apple_sdk.frameworks) CoreServices Security;
+  };
   cargo-watch = callPackage ../development/tools/rust/cargo-watch {
     inherit (darwin.apple_sdk.frameworks) CoreServices;
   };