diff --git a/pkgs/development/python-modules/pyisy/default.nix b/pkgs/development/python-modules/pyisy/default.nix
index fd9db5d14d68..bac4cd0868f9 100644
--- a/pkgs/development/python-modules/pyisy/default.nix
+++ b/pkgs/development/python-modules/pyisy/default.nix
@@ -11,14 +11,14 @@
 
 buildPythonPackage rec {
   pname = "pyisy";
-  version = "3.4.1";
+  version = "3.6.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "automicus";
     repo = "PyISY";
     tag = "v${version}";
-    hash = "sha256-9gGrrFh5xCuX4GjF6a6RRGkpF/rH07Zz0nyKvgwgEkU=";
+    hash = "sha256-KEjiMmD4mY1sG/vRo1QINQw31jk8MNV6m13fU2ENmJM=";
   };
 
   postPatch = ''