diff --git a/requirements.txt b/requirements.txt
index 28b4a24..b1e5167 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ entrypoints==0.4
 executing==1.2.0
 fastjsonschema==2.19.0
 Flask==2.3.3
-fonttools==4.42.1
+fonttools==4.43.0
 fqdn==1.5.1
 gitdb==4.0.10
 GitPython==3.1.37