diff --git a/pyproject.toml b/pyproject.toml
index b75f237c..a963b294 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ classifiers = [
 
 [project.optional-dependencies]
 test = [
-  "black==25.11.0",
+  "black==26.10.1; python_version >= '3.10'",
   "requests_mock==1.11.0",
 ]