diff --git a/pkgs/tools/text/html-tidy/default.nix b/pkgs/tools/text/html-tidy/default.nix
index d80b8e8c899c..1f9c04b7c9db 100644
--- a/pkgs/tools/text/html-tidy/default.nix
+++ b/pkgs/tools/text/html-tidy/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     owner = "htacg";
     repo = "tidy-html5";
     rev = version;
-    sha256 = "sha256-ZMz0NySxzX2XHiqB8f5asvwjIG6kdIcq8Gb3EbAxBaU=";
+    hash = "sha256-vzVWQodwzi3GvC9IcSQniYBsbkJV20iZanF33A0Gpe0=";
   };
 
   # https://github.com/htacg/tidy-html5/pull/1036