diff --git a/requirements.txt b/requirements.txt
index 4d7d53a..0588809 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ brotli==1.0.9
     # via -r requirements.in
 commonmark==0.9.1
     # via rich
-fonttools==4.38.0
+fonttools==4.43.0
     # via -r requirements.in
 pygments==2.15.0
     # via rich