diff --git a/requirements.txt b/requirements.txt
index b2ec1aa..598bbc7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ calitp==0.0.8
 google-auth==1.32.1
 gtfs-realtime-bindings==0.0.7
 pytest==6.2.5
-black==19.10b0
+black==24.3.0
 typer==0.4.1
 pendulum==2.1.2
 structlog==21.5.0