diff --git a/pkgs/by-name/lo/locker/package.nix b/pkgs/by-name/lo/locker/package.nix
new file mode 100644
index 000000000000..1d5f474146b6
--- /dev/null
+++ b/pkgs/by-name/lo/locker/package.nix
@@ -0,0 +1,31 @@
+{
+  lib,
+  rustPlatform,
+  fetchFromGitHub,
+  nix-update-script,
+}:
+
+rustPlatform.buildRustPackage (finalAttrs: {
+  pname = "locker";
+  version = "4.0.1";
+  __structuredAttrs = true;
+
+  src = fetchFromGitHub {
+    owner = "tgirlcloud";
+    repo = "locker";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-rVW2OcRG2h5G46UdRLYeZ5A0Gmca2fj5rRbZzMeDqqc=";
+  };
+
+  cargoHash = "sha256-gfhOOgZ8wkqbcghcCGCBMtImLfZazR2Dg/FgnjbofAg=";
+
+  passthru.updateScript = nix-update-script { };
+
+  meta = {
+    description = "A linter for your flake.lock file";
+    homepage = "https://github.com/tgirlcloud/locker";
+    license = lib.licenses.eupl12;
+    maintainers = with lib.maintainers; [ isabelroses ];
+    mainProgram = "locker";
+  };
+})