diff --git a/requirements-notebook.txt b/requirements-notebook.txt
index 4ece2ea..7664012 100644
--- a/requirements-notebook.txt
+++ b/requirements-notebook.txt
@@ -17,7 +17,7 @@ decorator==5.1.1
 defusedxml==0.7.1
 entrypoints==0.4
 executing==0.8.3
-fonttools==4.43.0
+fonttools==4.61.0
 idna==3.7
 ipykernel==6.9.2
 ipython==8.10.0