diff --git a/pkgs/development/python-modules/msmart-ng/default.nix b/pkgs/development/python-modules/msmart-ng/default.nix
index 8d1983474e18..05ca5a840362 100644
--- a/pkgs/development/python-modules/msmart-ng/default.nix
+++ b/pkgs/development/python-modules/msmart-ng/default.nix
@@ -2,7 +2,6 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
-  fetchpatch2,
 
   # build-system
   setuptools,
@@ -18,27 +17,16 @@
 
 buildPythonPackage rec {
   pname = "msmart-ng";
-  version = "2025.3.3";
+  version = "2025.5.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "mill1000";
     repo = "midea-msmart";
     tag = version;
-    hash = "sha256-M8Gl6QXj0tRN7VFDhop47vINk8MeWSyCJ9bboo3j8Go=";
+    hash = "sha256-dZD93ZZiQLmWuMAR/nnYB7oGBBYr4YPEi+LdpSzweVc=";
   };
 
-  patches = [
-    (fetchpatch2 {
-      # Revert <https://github.com/mill1000/midea-msmart/pull/209> until setuptools
-      # implements support for <https://peps.python.org/pep-0639/>.
-      name = "revert-pyproject-license-declaration-pep639-syntax.patch";
-      url = "https://github.com/mill1000/midea-msmart/commit/e5d6a982135e497c251095e421d3de4686f36056.patch?full_index=1";
-      hash = "sha256-+mxmFGZd04MZY2C5eo4k1lFoXsM8XyeJNazShnjAseE=";
-      revert = true;
-    })
-  ];
-
   build-system = [
     setuptools
     setuptools-scm
diff --git a/pkgs/servers/home-assistant/custom-components/midea_ac/package.nix b/pkgs/servers/home-assistant/custom-components/midea_ac/package.nix
index 848ff9370fc6..683abdf36d8d 100644
--- a/pkgs/servers/home-assistant/custom-components/midea_ac/package.nix
+++ b/pkgs/servers/home-assistant/custom-components/midea_ac/package.nix
@@ -8,13 +8,13 @@
 buildHomeAssistantComponent rec {
   owner = "mill1000";
   domain = "midea_ac";
-  version = "2025.4.0";
+  version = "2025.5.1";
 
   src = fetchFromGitHub {
     owner = "mill1000";
     repo = "midea-ac-py";
     tag = version;
-    hash = "sha256-ZkLC0GhfN+jp1DWv30LNVCP+NEZywt9Pxycs2RWBzrM=";
+    hash = "sha256-6CNxhgygAyzpy3idj3RkVvI8WMHCfar9v0GG21Y7YKE=";
   };
 
   dependencies = [ msmart-ng ];