diff --git a/requirements.txt b/requirements.txt
index ede891a..52e1507 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ fastjsonschema==2.17.1
 Flask==2.2.3
 Flask-Login==0.6.2
 Flask-SQLAlchemy==3.0.3
-fonttools==4.40.0
+fonttools==4.43.0
 fqdn==1.5.1
 frozenlist==1.3.3
 google-api-core==2.12.0