diff --git a/requirements.txt b/requirements.txt
index bb9d867..b61c2c5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,6 +17,6 @@ pyclipper==1.3.0.post3
 pytz==2022.7.1
 six==1.16.0
 skia-pathops==0.7.2
-ufo2ft==2.28.0
+ufo2ft==2.33.4
 ufoLib2==0.13.1
 unicodedata2==15.1.0