diff --git a/setup.py b/setup.py
index 2430d2c2..ab70f178 100644
--- a/setup.py
+++ b/setup.py
@@ -26,7 +26,7 @@
     install_requires=[
         "absl-py>=0.9.0",
         "dataclasses>=0.8; python_version < '3.7'",
-        "fonttools[ufo]>=4.17.0",
+        "fonttools[ufo]>=4.18.1",
         "importlib_resources>=3.3.0; python_version < '3.9'",
         "lxml>=4.0",
         "ninja>=1.10.0.post1",