diff --git a/pkgs/development/python-modules/simplisafe-python/default.nix b/pkgs/development/python-modules/simplisafe-python/default.nix
index 27c68dcab3e6..bd9c06cf119d 100644
--- a/pkgs/development/python-modules/simplisafe-python/default.nix
+++ b/pkgs/development/python-modules/simplisafe-python/default.nix
@@ -19,7 +19,7 @@
 
 buildPythonPackage rec {
   pname = "simplisafe-python";
-  version = "2021.11.2";
+  version = "2021.12.1";
   format = "pyproject";
 
   disabled = pythonOlder "3.8";
@@ -28,7 +28,7 @@ buildPythonPackage rec {
     owner = "bachya";
     repo = pname;
     rev = version;
-    sha256 = "sha256-5X2qvrACV9OTVYSZYxFncFOgrgywKvVDbC6IVFnJBtw=";
+    sha256 = "sha256-HWOQAcjsW7iE/AuqOQvdZkubpg53AktReNJxbxHdMFs=";
   };
 
   nativeBuildInputs = [