diff --git a/requirements.txt b/requirements.txt
index dbe3f7a..de7d6a4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ contourpy==1.0.7
 customtkinter==5.1.3
 cycler==0.11.0
 darkdetect==0.8.0
-fonttools==4.39.4
+fonttools==4.43.0
 kiwisolver==1.4.4
 matplotlib==3.7.1
 numpy==1.24.3