diff --git a/pkgs/development/python-modules/plugwise/default.nix b/pkgs/development/python-modules/plugwise/default.nix
index 7bbfbdb27d3..ef88131bea6 100644
--- a/pkgs/development/python-modules/plugwise/default.nix
+++ b/pkgs/development/python-modules/plugwise/default.nix
@@ -20,7 +20,7 @@
 
 buildPythonPackage rec {
   pname = "plugwise";
-  version = "0.18.3";
+  version = "0.18.4";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -29,7 +29,7 @@ buildPythonPackage rec {
     owner = pname;
     repo = "python-plugwise";
     rev = "refs/tags/v${version}";
-    sha256 = "sha256-aNlPOgUChLFkPPZtb3o4A49uoSBjxKaq3WtuupHlmi8=";
+    sha256 = "sha256-a4mbkwjdLOnoxe4Cj43IXGALqbTKqinoJAiPWfc79/8=";
   };
 
   propagatedBuildInputs = [