diff --git a/modules/environments/home-assistant/default.nix b/modules/environments/home-assistant/default.nix
index 54a217c..f5092d6 100644
--- a/modules/environments/home-assistant/default.nix
+++ b/modules/environments/home-assistant/default.nix
@@ -9,6 +9,39 @@
 let
   cfg = config.my.profiles.home-assistant;
   hostName = config.networking.hostName;
+
+  # Python deps for the alexa_media_player custom component. Built against
+  # Home Assistant's own interpreter — the same set buildHomeAssistantComponent
+  # uses — so HA's build-time and runtime manifest-requirement checks pass.
+  haPython = pkgs.home-assistant.python3Packages;
+
+  # dictor is not in nixpkgs; alexa_media_player needs dictor>=0.1.12,<0.2.
+  # Pure-Python, no runtime deps, legacy setup.py.
+  dictor = haPython.buildPythonPackage {
+    pname = "dictor";
+    version = "0.1.12";
+    format = "setuptools";
+    src = haPython.fetchPypi {
+      pname = "dictor";
+      version = "0.1.12";
+      hash = "sha256-bbSDda4eU9ye2EToWzj04/v79qTmC+yjd1Fa0URTuRs=";
+    };
+    build-system = [ haPython.setuptools ];
+    doCheck = false;
+    pythonImportsCheck = [ "dictor" ];
+  };
+
+  # nixpkgs ships alexapy 1.29.22; the manifest pins ==1.29.25. Patch bump.
+  # nixpkgs fetches alexapy from GitLab (keatontaylor/alexapy), tag v<version>.
+  alexapy = haPython.alexapy.overridePythonAttrs (old: {
+    version = "1.29.25";
+    src = pkgs.fetchFromGitLab {
+      owner = "keatontaylor";
+      repo = "alexapy";
+      tag = "v1.29.25";
+      hash = "sha256-P/hvgqZVaBJF5dbmHrDjQMC+pwV3EEhKyFIS5KmhgD4=";
+    };
+  });
 in
 {
 
@@ -38,6 +71,25 @@ in
             hash = "sha256-Uoid/2f6GxZMuE5Keu2VjHPYuOxnYG8hsCD6BYcaTvM=";
           };
         })
+        (pkgs.buildHomeAssistantComponent {
+          owner = "Alandtse";
+          domain = "alexa_media";
+          version = "5.15.7";
+          src = pkgs.fetchFromGitHub {
+            owner = "Alandtse";
+            repo = "alexa_media_player";
+            rev = "v5.15.7";
+            hash = "sha256-1rcZVSX1xA1Lc4qSu39MOitVEciZFhoPQy2y5+PpoAI=";
+          };
+          # Every manifest requirement must be importable at a satisfying
+          # version or manifestCheckPhase fails the build.
+          dependencies = [
+            alexapy
+            dictor
+            haPython.wrapt
+            haPython.packaging
+          ];
+        })
       ];
 
       extraComponents = [