diff --git a/pkgs/development/python-modules/mdformat-toc/default.nix b/pkgs/development/python-modules/mdformat-toc/default.nix
index 9d399dac5b58..f1929b1191f7 100644
--- a/pkgs/development/python-modules/mdformat-toc/default.nix
+++ b/pkgs/development/python-modules/mdformat-toc/default.nix
@@ -9,14 +9,14 @@
 
 buildPythonPackage rec {
   pname = "mdformat-toc";
-  version = "0.3.0";
+  version = "0.5.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "hukkin";
     repo = "mdformat-toc";
     tag = version;
-    hash = "sha256-3EX6kGez408tEYiR9VSvi3GTrb4ds+HJwpFflv77nkg=";
+    hash = "sha256-Rj1lp5Ub+UriOuE896tywN4myovna2RLYO3LRa96FCM=";
   };
 
   nativeBuildInputs = [ poetry-core ];