diff --git a/pkgs/development/python-modules/pywemo/default.nix b/pkgs/development/python-modules/pywemo/default.nix
index 69b8114a95e5..c0e69285d15a 100644
--- a/pkgs/development/python-modules/pywemo/default.nix
+++ b/pkgs/development/python-modules/pywemo/default.nix
@@ -14,16 +14,16 @@
 
 buildPythonPackage rec {
   pname = "pywemo";
-  version = "1.3.1";
-  format = "pyproject";
+  version = "1.4.0";
+  pyproject = true;
 
-  disabled = pythonOlder "3.7";
+  disabled = pythonOlder "3.8";
 
   src = fetchFromGitHub {
-    owner = pname;
-    repo = pname;
+    owner = "pywemo";
+    repo = "pywemo";
     rev = "refs/tags/${version}";
-    hash = "sha256-RZeg6/xAGRumd4aM/mQQnIrIXB/rUrdeQQxk2c1mJNI=";
+    hash = "sha256-XpCRrCJYHv1so5/aHoGrtkgp3RX1NUKPUawJqK/FaG0=";
   };
 
   nativeBuildInputs = [
@@ -32,9 +32,9 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [
     ifaddr
+    lxml
     requests
     urllib3
-    lxml
   ];
 
   __darwinAllowLocalNetworking = true;