diff --git a/requirements.txt b/requirements.txt
index 32c67f76..463539ae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ attrs==22.1.0
     # via ml-tooling (setup.py)
 cycler==0.11.0
     # via matplotlib
-fonttools==4.37.1
+fonttools==4.43.0
     # via matplotlib
 greenlet==1.1.3
     # via sqlalchemy