diff --git a/requirements.txt b/requirements.txt
index 8631ac95c..fe309809b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
+ufo2ft==2.30.0
 fontmake==3.4.*
 fontbakery==0.8.*
 skia-pathops==0.7.*