diff --git a/pkgs/servers/home-assistant/build-custom-component/default.nix b/pkgs/servers/home-assistant/build-custom-component/default.nix
index 98fe5115a14d..4e53ae9d56a5 100644
--- a/pkgs/servers/home-assistant/build-custom-component/default.nix
+++ b/pkgs/servers/home-assistant/build-custom-component/default.nix
@@ -52,13 +52,10 @@ lib.extendMkDerivation {
         runHook postInstall
       '';
 
-      nativeBuildInputs =
-        with home-assistant.python3Packages;
-        [
-          manifestRequirementsCheckHook
-          packaging
-        ]
-        ++ (args.nativeBuildInputs or [ ]);
+      nativeBuildInputs = [
+        manifestRequirementsCheckHook
+      ]
+      ++ (args.nativeBuildInputs or [ ]);
 
       passthru = {
         isHomeAssistantComponent = true;
diff --git a/pkgs/servers/home-assistant/build-custom-component/manifest-requirements-check-hook.nix b/pkgs/servers/home-assistant/build-custom-component/manifest-requirements-check-hook.nix
index bb091bd0e1b4..90faa79d7bbf 100644
--- a/pkgs/servers/home-assistant/build-custom-component/manifest-requirements-check-hook.nix
+++ b/pkgs/servers/home-assistant/build-custom-component/manifest-requirements-check-hook.nix
@@ -6,6 +6,7 @@
 
 makeSetupHook {
   name = "manifest-check-hook";
+  propagatedNativeBuildInputs = [ python3Packages.packaging ];
   substitutions = {
     pythonCheckInterpreter = python3Packages.python.interpreter;
     checkManifest = ./check_manifest.py;