diff --git a/pkgs/development/python-modules/tatsu/default.nix b/pkgs/development/python-modules/tatsu/default.nix
index fae42ac5914e..274c8818b204 100644
--- a/pkgs/development/python-modules/tatsu/default.nix
+++ b/pkgs/development/python-modules/tatsu/default.nix
@@ -5,7 +5,7 @@
 
 buildPythonPackage rec {
   pname = "tatsu";
-  version = "5.8.2";
+  version = "5.8.3";
   # upstream only supports 3.10+
   disabled = pythonOlder "3.10";
 
@@ -13,7 +13,7 @@ buildPythonPackage rec {
     owner = "neogeny";
     repo = "TatSu";
     rev = "refs/tags/v${version}";
-    sha256 = "sha256-eJJ438zjXRZ7dk36RPkFvhcIA5RYo5MsjptZIpjCrVI=";
+    sha256 = "sha256-cKEMRbH/xNtYM0lmNVazv3i0Q1tmVrVPrB6F2s02Sro=";
   };
 
   nativeBuildInputs = [ pytest-runner ];