diff --git a/docs/requirements.txt b/docs/requirements.txt
index 7aae94c..5907035 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -15,7 +15,7 @@ setuptools
 Sphinx==3.0.3
 recommonmark==0.6.0
 Pygments>=2.5.1
-black==19.3b0
+black==24.3.0
 flake8==3.7.8
 sphinx-rtd-theme==0.4.3
 sphinx-gallery==0.7.0