diff --git a/pkgs/data/fonts/tamzen/default.nix b/pkgs/data/fonts/tamzen/default.nix
index c4a2be00d9445..6ecc03d731069 100644
--- a/pkgs/data/fonts/tamzen/default.nix
+++ b/pkgs/data/fonts/tamzen/default.nix
@@ -1,28 +1,22 @@
-{ fetchFromGitHub, fontforge, mkfontscale, stdenv }:
+{ fetchFromGitHub, mkfontscale, stdenv }:
 
 stdenv.mkDerivation rec {
   pname = "tamzen-font";
-  version = "1.11.4";
+  version = "1.11.5";
 
   src = fetchFromGitHub {
     owner = "sunaku";
     repo = "tamzen-font";
     rev = "Tamzen-${version}";
-    sha256 = "17kgmvg6q32mqhx9g44hjvzv0si0mnpprga4z7na930g2zdd8846";
+    sha256 = "00x5fipzqimglvshhqwycdhaqslbvn3rl06jnswhyxfvz16ymj7s";
   };
 
-  nativeBuildInputs = [ fontforge mkfontscale ];
+  nativeBuildInputs = [ mkfontscale ];
 
   installPhase = ''
-    # convert pcf fonts to otb
-    for i in pcf/*.pcf; do
-      name=$(basename "$i" .pcf)
-      fontforge -lang=ff -c "Open(\"$i\"); Generate(\"$name.otb\")"
-    done
-
     install -m 644 -D pcf/*.pcf -t "$out/share/fonts/misc"
     install -m 644 -D psf/*.psf -t "$out/share/consolefonts"
-    install -m 644 -D *.otb     -t "$otb/share/fonts/misc"
+    install -m 644 -D otb/*.otb -t "$otb/share/fonts/misc"
     mkfontdir "$out/share/fonts/misc"
     mkfontdir "$otb/share/fonts/misc"
   '';