diff --git a/requirements.txt b/requirements.txt
index 99f5a58..985b57d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@
 #
 cython==0.29.25
     # via -r requirements.in
-fonttools==4.27.1
+fonttools==4.28.3
     # via -r requirements.in
 skia-pathops==0.6.0.post3
     # via -r requirements.in