diff --git a/requirements.txt b/requirements.txt
index fd15ea9..ac5957d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,12 +5,12 @@
 #    pip-compile
 #
 -e file:.
-    # via -r requirements.in
+    # via file:///-
 attrs==22.2.0
     # via
     #   pytest
     #   sdif
-black==23.1.0
+black==24.3.0
     # via sdif
 build==0.10.0
     # via pip-tools