diff --git a/requirements.txt b/requirements.txt
index 7c49379..ff97d1d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ charset-normalizer==2.1.1
 contourpy==1.0.6
 cycler==0.11.0
 et-xmlfile==1.1.0
-fonttools==4.38.0
+fonttools==4.43.0
 idna==3.4
 kiwisolver==1.4.4
 lxml==4.9.1