diff --git a/pkgs/development/python-modules/fonttools/default.nix b/pkgs/development/python-modules/fonttools/default.nix
index d435cae94194..4fd2db014bab 100644
--- a/pkgs/development/python-modules/fonttools/default.nix
+++ b/pkgs/development/python-modules/fonttools/default.nix
@@ -8,11 +8,11 @@
 
 buildPythonPackage rec {
   pname = "fonttools";
-  version = "3.33.0";
+  version = "3.34.2";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "196yl6m3fycrbsclcmg550821j18ga6dpghmk5nb1xi4j4yb62gq";
+    sha256 = "1ahs82jnc8f7gksh51asg9dcifhslyfdz9dry9sxq424q1p5k9lz";
     extension = "zip";
   };