diff --git a/requirements.txt b/requirements.txt
index d50e168..bf47cb5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-black==25.1.0
+black==26.3.1
 numpy==2.2.4
 scipy==1.15.2
 matplotlib==3.10.1