diff --git a/pkgs/development/python-modules/hass-nabucasa/default.nix b/pkgs/development/python-modules/hass-nabucasa/default.nix
index 61c63b28ab60..6ecd91580931 100644
--- a/pkgs/development/python-modules/hass-nabucasa/default.nix
+++ b/pkgs/development/python-modules/hass-nabucasa/default.nix
@@ -4,13 +4,13 @@
 
 buildPythonPackage rec {
   pname = "hass-nabucasa";
-  version = "0.34.6";
+  version = "0.37.1";
 
   src = fetchFromGitHub {
     owner = "nabucasa";
     repo = pname;
     rev = version;
-    sha256 = "1lkqwj58qr0vn7zf5mhrhaz973ahj9wjp4mgzvyja1gcdh6amv34";
+    sha256 = "/GFNrLi1I69gUDIwnHa2q/pxkiRl9PKxpKtb56JrmuA=";
   };
 
   postPatch = ''
@@ -18,24 +18,12 @@ buildPythonPackage rec {
     sed -i 's/"cryptography.*"/"cryptography"/' setup.py
   '';
 
-  patches = [
-    # relax pytz dependency
-    (fetchpatch {
-      url = "https://github.com/NabuCasa/hass-nabucasa/commit/419e80feddc36c68384c032feda0057515b53eaa.patch";
-      sha256 = "14dgwci8615cwcf27hg7b42s7da50xhyjys3yx446q7ipk8zw4x6";
-    })
-  ];
-
   propagatedBuildInputs = [
     acme aiohttp atomicwrites snitun attrs warrant pycognito
   ];
 
   checkInputs = [ pytest pytest-aiohttp asynctest ];
 
-  # Asynctest's mocking is broken with python3.8
-  # https://github.com/Martiusweb/asynctest/issues/132
-  doCheck = pythonOlder "3.8";
-
   checkPhase = ''
     pytest tests/
   '';