diff --git a/pkgs/development/python-modules/tatsu/default.nix b/pkgs/development/python-modules/tatsu/default.nix
index 7769c3b298a4..69b17a826fb5 100644
--- a/pkgs/development/python-modules/tatsu/default.nix
+++ b/pkgs/development/python-modules/tatsu/default.nix
@@ -10,7 +10,7 @@
 
 buildPythonPackage rec {
   pname = "tatsu";
-  version = "5.11.3";
+  version = "5.12.0";
   pyproject = true;
 
   disabled = pythonOlder "3.10";
@@ -19,7 +19,7 @@ buildPythonPackage rec {
     owner = "neogeny";
     repo = "TatSu";
     rev = "refs/tags/v${version}";
-    hash = "sha256-5tVvElM7pZF3rZJMMk0IIZBhiv+9J8KBLjfoVTPF198=";
+    hash = "sha256-55sTUqNwfWg5h9msByq2RuVx/z23ST7p7pA/ZsIeYr8=";
   };
 
   nativeBuildInputs = [