diff --git a/flake.lock b/flake.lock
index 67226e7..f5fedda 100644
--- a/flake.lock
+++ b/flake.lock
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1703499205,
-        "narHash": "sha256-lF9rK5mSUfIZJgZxC3ge40tp1gmyyOXZ+lRY3P8bfbg=",
+        "lastModified": 1704161960,
+        "narHash": "sha256-QGua89Pmq+FBAro8NriTuoO/wNaUtugt29/qqA8zeeM=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "e1fa12d4f6c6fe19ccb59cac54b5b3f25e160870",
+        "rev": "63143ac2c9186be6d9da6035fa22620018c85932",
         "type": "github"
       },
       "original": {
diff --git a/nix/flake.lock b/nix/flake.lock
index 71b966c..307b44a 100644
--- a/nix/flake.lock
+++ b/nix/flake.lock
@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1703649338,
-        "narHash": "sha256-n2MkBotGgTQsfB+wH09R+otBwYCvGCsnHX7eUMGkKL0=",
+        "lastModified": 1704277720,
+        "narHash": "sha256-meAKNgmh3goankLGWqqpw73pm9IvXjEENJloF0coskE=",
         "owner": "lnl7",
         "repo": "nix-darwin",
-        "rev": "8a8321271f0835fae2cb195e1137cb381fdbcc8e",
+        "rev": "0dd382b70c351f528561f71a0a7df82c9d2be9a4",
         "type": "github"
       },
       "original": {
@@ -99,11 +99,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1703808179,
-        "narHash": "sha256-svlFDbozZlZJwnnSoeh5yE9jEnCmgmuRMRX866CL4J0=",
+        "lastModified": 1704498488,
+        "narHash": "sha256-yINKdShHrtjdiJhov+q0s3Y3B830ujRoSbHduUNyKag=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "77c698fa4b3081b6019ad77d1bfedf06dbbde0db",
+        "rev": "51e44a13acea71b36245e8bd8c7db53e0a3e61ee",
         "type": "github"
       },
       "original": {
@@ -135,11 +135,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1703499205,
-        "narHash": "sha256-lF9rK5mSUfIZJgZxC3ge40tp1gmyyOXZ+lRY3P8bfbg=",
+        "lastModified": 1704161960,
+        "narHash": "sha256-QGua89Pmq+FBAro8NriTuoO/wNaUtugt29/qqA8zeeM=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "e1fa12d4f6c6fe19ccb59cac54b5b3f25e160870",
+        "rev": "63143ac2c9186be6d9da6035fa22620018c85932",
         "type": "github"
       },
       "original": {
diff --git a/nix/nixpkgs/overlays/10-basic.nix b/nix/nixpkgs/overlays/10-basic.nix
index 36ae3c3..3edf6b2 100644
--- a/nix/nixpkgs/overlays/10-basic.nix
+++ b/nix/nixpkgs/overlays/10-basic.nix
@@ -6,6 +6,8 @@ self: super: rec {
     sha256 = "1zxgy3znw0i6h1lxhmnx001c1pdcyszwqj8f0d0092nmnngdzsrl";
   };
 
+  cargo-workspaces = self.callPackage ./packages/cargo-workspaces.nix { };
+
   # kitty = super.kitty.overrideAttrs (existing: {
   #   patches = [
   #     # From https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/terminal-emulators/kitty/default.nix
diff --git a/nix/nixpkgs/overlays/packages/cargo-workspaces.nix b/nix/nixpkgs/overlays/packages/cargo-workspaces.nix
new file mode 100644
index 0000000..e47eb82
--- /dev/null
+++ b/nix/nixpkgs/overlays/packages/cargo-workspaces.nix
@@ -0,0 +1,55 @@
+{ lib
+, rustPlatform
+, fetchCrate
+, pkg-config
+, libgit2_1_6
+, libssh2
+, openssl
+, zlib
+, stdenv
+, darwin
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "cargo-workspaces";
+  version = "0.3.0";
+
+  src = fetchCrate {
+    inherit pname version;
+    hash = "sha256-1wNoMVfouuPRGFGB6XIhgeeWgknxMctrBl5Vfco6qug=";
+  };
+
+  cargoHash = "sha256-OJGqIo6mYqXjmQb/2CVVTskecYZretw+K46Fvbu/PcQ=";
+
+  nativeBuildInputs = [
+    pkg-config
+  ];
+
+  buildInputs = [
+    libgit2_1_6
+    libssh2
+    openssl
+    zlib
+  ] ++ lib.optionals stdenv.isDarwin [
+    darwin.apple_sdk.frameworks.Security
+    darwin.apple_sdk_11_0.frameworks.SystemConfiguration
+  ];
+
+  env = {
+    LIBSSH2_SYS_USE_PKG_CONFIG = true;
+  };
+
+  meta = with lib; {
+    description = "A tool for managing cargo workspaces and their crates, inspired by lerna";
+    longDescription = ''
+      A tool that optimizes the workflow around cargo workspaces with
+      git and cargo by providing utilities to version, publish, execute
+      commands and more.
+    '';
+    homepage = "https://github.com/pksunkara/cargo-workspaces";
+    changelog = "https://github.com/pksunkara/cargo-workspaces/blob/v${version}/CHANGELOG.md";
+    license = licenses.mit;
+    maintainers = with maintainers; [ figsoda macalinao matthiasbeyer ];
+    mainProgram = "cargo-workspaces";
+  };
+}
diff --git a/scripts/igm-switch b/scripts/igm-switch
index 7ae0d1f..d1eedd8 100755
--- a/scripts/igm-switch
+++ b/scripts/igm-switch
@@ -9,7 +9,7 @@ SYSTEM_CONFIG_ATTRIBUTE=$(system_config_attribute)
 echo "Using flake at path $FLAKE_PATH."
 
 SHOW_TRACE=''
-if [ $1 = '--debug' ]; then
+if [ ${1:none} = '--debug' ]; then
     SHOW_TRACE='--show-trace'
 fi