diff --git a/pkgs/data/fonts/unifont_upper/default.nix b/pkgs/data/fonts/unifont_upper/default.nix
index 84a1742b8439..1020c2f1f132 100644
--- a/pkgs/data/fonts/unifont_upper/default.nix
+++ b/pkgs/data/fonts/unifont_upper/default.nix
@@ -1,15 +1,19 @@
-{ lib, fetchzip }:
+{ lib, fetchurl }:
 
 let
-  version = "14.0.03";
-in fetchzip rec {
+  version = "14.0.04";
+in fetchurl rec {
   name = "unifont_upper-${version}";
 
   url = "mirror://gnu/unifont/unifont-${version}/${name}.ttf";
 
+  downloadToTemp = true;
+
+  recursiveHash = true;
+
   postFetch = "install -Dm644 $downloadedFile $out/share/fonts/truetype/unifont_upper.ttf";
 
-  sha256 = "1lwx7syb9ij4dlqiiybp6xgvar2sszxphvaqh64vivzj9gp0g0ai";
+  hash = "sha256-cNw+3Y/6h2TD6ZSaGO32NNyiTwCUSJsA3Q5W5/m+eLE=";
 
   meta = with lib; {
     description = "Unicode font for glyphs above the Unicode Basic Multilingual Plane";