diff --git a/docs/requirements.txt b/docs/requirements.txt
index ee181f9..6e72553 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -126,7 +126,7 @@ executing==2.0.1
     # via stack-data
 fastjsonschema==2.19.1
     # via nbformat
-fonttools==4.49.0
+fonttools==4.50.0
     # via matplotlib
 fsspec==2024.3.1
     # via dask