diff --git a/dev-requirements.txt b/dev-requirements.txt
index 4a6cd15..b151522 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -8,7 +8,7 @@ watchdog==0.8.3
 coverage==4.4.2
 icecream==2.1.3
 # Formatting
-black==19.10b0
+black==24.3.0
 # Linting
 flake8==3.6.0
 # Modern setuptools, eg automatic license file detection