diff --git a/requirements.txt b/requirements.txt
index 333a5a1..07c113f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ anyio==4.13.0
 arrow==1.4.0
 babel==2.18.0
 backports.tarfile==1.2.0
-black==26.1.0
+black==26.3.1
 bokeh==3.9.0
 Bottleneck==1.6.0
 Brotli==1.2.0