diff --git a/flake.nix b/flake.nix
index 13ddaca..90cf267 100644
--- a/flake.nix
+++ b/flake.nix
@@ -325,6 +325,7 @@
             inherit spkgs;
             isUnstable = true;
           };
+          irken = upkgs.tclPackages.callPackage ./pkgs/irken.nix { };
           ttfs = upkgs.callPackage ./pkgs/ttfs.nix { };
           intiface-engine = upkgs.callPackage ./pkgs/intiface-engine.nix { };
           flake-warn =
diff --git a/hosts/europa/default.nix b/hosts/europa/default.nix
index 2e9b4bb..b6ec235 100644
--- a/hosts/europa/default.nix
+++ b/hosts/europa/default.nix
@@ -401,6 +401,7 @@ in
       (callPackage ../../pkgs/zutty.nix { })
       (python3Packages.callPackage ../../pkgs/watchmap.nix { })
       (python3Packages.callPackage ../../pkgs/ble-serial.nix { })
+      (tclPackages.callPackage ../../pkgs/irken.nix { })
 
       restic
     ];
diff --git a/pkgs/irken.nix b/pkgs/irken.nix
new file mode 100644
index 0000000..38f87e6
--- /dev/null
+++ b/pkgs/irken.nix
@@ -0,0 +1,33 @@
+{ lib, mkTclDerivation, fetchFromGitHub, tcltls, bwidget, tk }:
+
+mkTclDerivation {
+
+  pname = "irken";
+  version = "2024-11-16";
+
+  src = fetchFromGitHub {
+    owner = "dlowe-net";
+    repo = "irken";
+    rev = "659a185de9b6c5a48f46a4535911123c91c7c866";
+    hash = "sha256-Sti6id6aT9QFug6QkNPHf4LisBCuF4LqLNlNEaIUNI8=";
+  };
+
+  buildInputs = [
+    tcltls
+    bwidget
+    tk
+  ];
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/bin
+    cp irken.tcl $out/bin/irken
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/dlowe-net/irken";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ qbit ];
+  };
+}