diff --git a/pkgs/development/python-modules/boolean-py/default.nix b/pkgs/development/python-modules/boolean-py/default.nix
index fde29936132f..6b279372e97d 100644
--- a/pkgs/development/python-modules/boolean-py/default.nix
+++ b/pkgs/development/python-modules/boolean-py/default.nix
@@ -8,7 +8,7 @@
 
 buildPythonPackage rec {
   pname = "boolean-py";
-  version = "4.0";
+  version = "5.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -16,8 +16,8 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "bastikr";
     repo = "boolean.py";
-    rev = "v${version}";
-    hash = "sha256-i6aNzGDhZip9YHXLiuh9crGm2qT2toBU2xze4PDLleg=";
+    tag = "v${version}";
+    hash = "sha256-h5iHcdN77ZRGMJnSJLoYkRTY1TeJ3yQ1eF193HKsNqU=";
   };
 
   nativeCheckInputs = [ pytestCheckHook ];