diff --git a/pyproject.toml b/pyproject.toml
index ec63234..b5c606f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ dynamic = ["version"]
 
 [project.optional-dependencies]
 test = [
-    "black==25.1.0",
+    "black==26.10.1",
     "filelock==3.29.0",
     "flake8==7.3.0",
     "pyright==1.1.414",