diff --git a/setup.py b/setup.py
index fb3c4517e..6ac04665b 100644
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,7 @@
     setup_requires=pytest_runner + wheel + ["setuptools_scm"],
     tests_require=["pytest>=2.8"],
     install_requires=[
-        "fonttools[ufo]>=4.26.1",
+        "fonttools[ufo]>=4.28.5",
         "cu2qu>=1.6.7",
         "cffsubr>=0.2.8",
         "booleanOperations>=0.9.0",