diff --git a/pkgs/servers/home-assistant/default.nix b/pkgs/servers/home-assistant/default.nix
index d122c85fc75e..12ed4a7a36cd 100644
--- a/pkgs/servers/home-assistant/default.nix
+++ b/pkgs/servers/home-assistant/default.nix
@@ -267,6 +267,16 @@ let
         patches = [];
       });
 
+      pymelcloud = super.pymelcloud.overridePythonAttrs (oldAttrs: {
+        version = "2.5.9";
+        src = fetchFromGitHub {
+          owner = "vilppuvuorinen";
+          repo = "pymelcloud";
+          rev = "33a827b6cd0b34f276790faa49bfd0994bb7c2e4"; # 2.5.x branch
+          sha256 = "sha256-Q3FIo9YJwtWPHfukEBjBANUQ1N1vr/DMnl1dgiN7vYg=";
+        };
+      });
+
       notifications-android-tv = super.notifications-android-tv.overridePythonAttrs (oldAttrs: rec {
         version = "0.1.5";
         format = "setuptools";