diff --git a/requirements/testing.txt b/requirements/testing.txt
index c703c68..6bbdd47 100644
--- a/requirements/testing.txt
+++ b/requirements/testing.txt
@@ -1,6 +1,6 @@
 betamax-serializers==0.2.0
 betamax==0.8.1
-black==19.3b0; python_version >= '3.6'
+black==24.3.0; python_version >= '3.6'
 coverage==4.5.3
 flake8==3.7.7
 isort==4.3.20