diff --git a/nixos/modules/services/home-automation/wyoming/openwakeword.nix b/nixos/modules/services/home-automation/wyoming/openwakeword.nix
index 1b4e932c7b0f..cedca3e7330d 100644
--- a/nixos/modules/services/home-automation/wyoming/openwakeword.nix
+++ b/nixos/modules/services/home-automation/wyoming/openwakeword.nix
@@ -15,6 +15,7 @@ let
     mkEnableOption
     mkIf
     mkPackageOption
+    mkRemovedOptionModule
     types
     ;
 
@@ -28,8 +29,17 @@ let
 in
 
 {
+  imports = [
+    (mkRemovedOptionModule [
+      "services"
+      "wymoing"
+      "openwakeword"
+      "preLoadModels"
+    ] "Passing a list of models to preload was removed in wyoming-openwakeword 2.0")
+  ];
+
   options.services.wyoming.openwakeword = with types; {
-    enable = mkEnableOption "Wyoming openWakeWord server";
+    enable = mkEnableOption "Wyoming protocol server for openWakeWord wake word detection system";
 
     package = mkPackageOption pkgs "wyoming-openwakeword" { };
 
@@ -50,24 +60,6 @@ in
       '';
     };
 
-    preloadModels = mkOption {
-      type = listOf str;
-      default = [
-        "ok_nabu"
-      ];
-      example = [
-        # wyoming_openwakeword/models/*.tflite
-        "alexa"
-        "hey_jarvis"
-        "hey_mycroft"
-        "hey_rhasspy"
-        "ok_nabu"
-      ];
-      description = ''
-        List of wake word models to preload after startup.
-      '';
-    };
-
     threshold = mkOption {
       type = numbers.between 0.0 1.0;
       default = 0.5;
@@ -91,6 +83,16 @@ in
       apply = toString;
     };
 
+    refractorySeconds = mkOption {
+      type = either int float;
+      default = 2;
+      example = 1.5;
+      description = ''
+        Duration in seconds before a wake word can be detected again.
+      '';
+      apply = toString;
+    };
+
     extraArgs = mkOption {
       type = listOf str;
       default = [ ];
@@ -125,11 +127,9 @@ in
             cfg.threshold
             "--trigger-level"
             cfg.triggerLevel
+            "--refractory-seconds"
+            cfg.refractorySeconds
           ]
-          ++ (concatMap (model: [
-            "--preload-model"
-            model
-          ]) cfg.preloadModels)
           ++ (concatMap (dir: [
             "--custom-model-dir"
             (toString dir)
diff --git a/pkgs/by-name/wy/wyoming-openwakeword/package.nix b/pkgs/by-name/wy/wyoming-openwakeword/package.nix
index c1db4c30ad9f..2e626d246c86 100644
--- a/pkgs/by-name/wy/wyoming-openwakeword/package.nix
+++ b/pkgs/by-name/wy/wyoming-openwakeword/package.nix
@@ -1,26 +1,30 @@
 {
   lib,
-  python312Packages,
+  python3Packages,
   fetchFromGitHub,
+  fetchpatch,
 }:
 
-let
-  # tensorflow-bin unsupported on Python 3.13
-  python3Packages = python312Packages;
-in
-
 python3Packages.buildPythonApplication rec {
   pname = "wyoming-openwakeword";
-  version = "1.10.0";
+  version = "2.0.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "rhasspy";
     repo = "wyoming-openwakeword";
     rev = "refs/tags/v${version}";
-    hash = "sha256-5suYJ+Z6ofVAysoCdHi5b5K0JTYaqeFZ32Cm76wC5LU=";
+    hash = "sha256-edSZ5W6oSPYLKuxjQerWRkAO/C+WeTiCosNnbS2sbh0=";
   };
 
+  patches = [
+    (fetchpatch {
+      # Expose entrypoint as wyoming-openwakeword script
+      url = "https://github.com/rhasspy/wyoming-openwakeword/commit/a8c8419bc65fab07a554aa0925f898a7f3b65d79.patch";
+      hash = "sha256-GSViQA01RwkFYEH7CPdU1P0EQ2ml6Vp1OukQ/0VOm+Y=";
+    })
+  ];
+
   build-system = with python3Packages; [
     setuptools
   ];
@@ -29,12 +33,8 @@ python3Packages.buildPythonApplication rec {
     "wyoming"
   ];
 
-  pythonRemoveDeps = [
-    "tflite-runtime-nightly"
-  ];
-
   dependencies = with python3Packages; [
-    tensorflow-bin
+    pyopen-wakeword
     wyoming
   ];