diff --git a/pkgs/development/python-modules/rstcheck/default.nix b/pkgs/development/python-modules/rstcheck/default.nix
index 533cdbb97efd..2f2ee962e89a 100644
--- a/pkgs/development/python-modules/rstcheck/default.nix
+++ b/pkgs/development/python-modules/rstcheck/default.nix
@@ -15,7 +15,7 @@
 
 buildPythonPackage rec {
   pname = "rstcheck";
-  version = "6.1.0";
+  version = "6.1.1";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
@@ -24,7 +24,7 @@ buildPythonPackage rec {
     owner = "rstcheck";
     repo = pname;
     rev = "refs/tags/v${version}";
-    hash = "sha256-dw/KggiZpKaFZMcTIaSBUhR4oQsZI3iSmEj9Sy80wTs=";
+    hash = "sha256-6TpDzk0GjIn9AnWadwHoYRc3SNi9nBAM7GyKm338wH8=";
   };
 
   nativeBuildInputs = [
@@ -47,12 +47,6 @@ buildPythonPackage rec {
     pytestCheckHook
   ];
 
-  postPatch = ''
-    substituteInPlace pyproject.toml \
-      --replace 'docutils = ">=0.7, <0.19"' 'docutils = ">=0.7"' \
-      --replace 'types-docutils = ">=0.18, <0.19"' 'types-docutils = ">=0.18"'
-  '';
-
   pythonImportsCheck = [
     "rstcheck"
   ];