diff --git a/pkgs/development/python-modules/fontmake/default.nix b/pkgs/development/python-modules/fontmake/default.nix
index 87fc01f83df9..1d9c08a81c12 100644
--- a/pkgs/development/python-modules/fontmake/default.nix
+++ b/pkgs/development/python-modules/fontmake/default.nix
@@ -12,11 +12,11 @@
 
 buildPythonPackage rec {
   pname = "fontmake";
-  version = "3.4.0";
+  version = "3.5.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-g/JTmYE078qAFcTVCumVvGj65LbnDsCIUsFfqVlihTk=";
+    sha256 = "sha256-njJArNq7nhdoq0Si3+RUDE+VJSwuUvk+e7WeuNaluK0=";
     extension = "zip";
   };