diff --git a/pkgs/servers/home-assistant/custom-components/versatile_thermostat/package.nix b/pkgs/servers/home-assistant/custom-components/versatile_thermostat/package.nix
index 0ce8c481003b..6b1aafa72ca6 100644
--- a/pkgs/servers/home-assistant/custom-components/versatile_thermostat/package.nix
+++ b/pkgs/servers/home-assistant/custom-components/versatile_thermostat/package.nix
@@ -2,21 +2,28 @@
   buildHomeAssistantComponent,
   fetchFromGitHub,
   lib,
+  numpy,
+  scipy,
   gitUpdater,
 }:
 
 buildHomeAssistantComponent rec {
   owner = "jmcollin78";
   domain = "versatile_thermostat";
-  version = "8.3.2";
+  version = "8.5.0";
 
   src = fetchFromGitHub {
     inherit owner;
     repo = domain;
     rev = "refs/tags/${version}";
-    hash = "sha256-kHDLFxhrGTCpqkTvvjbplYSqXbrmN9KPhQuszTtoGQc=";
+    hash = "sha256-YTil0wFniMbTUjM62oJS6wnGvhaHUlcUSJvsasmlrXw=";
   };
 
+  dependencies = [
+    numpy
+    scipy
+  ];
+
   passthru.updateScript = gitUpdater { ignoredVersions = "(Alpha|Beta|alpha|beta).*"; };
 
   meta = {