diff --git a/Formula/fonttools.rb b/Formula/fonttools.rb
index cba05ae19f..f3005f7312 100644
--- a/Formula/fonttools.rb
+++ b/Formula/fonttools.rb
@@ -3,8 +3,8 @@ class Fonttools < Formula
 
   desc "Library for manipulating fonts"
   homepage "https://github.com/fonttools/fonttools"
-  url "https://github.com/fonttools/fonttools/releases/download/3.3.0/fonttools-3.3.0.zip"
-  sha256 "fe06549f6d6f67e9098f2fc43c4037e9db08ee789ba5a4c82d4aa8ecaa0c5001"
+  url "https://github.com/fonttools/fonttools/releases/download/3.3.1/fonttools-3.3.1.zip"
+  sha256 "11d00109ecbd04b4e80b0b61d5c07552d4b074c56c6017a0f217f1ea2b625b78"
   head "https://github.com/fonttools/fonttools.git"
 
   bottle do