diff --git a/pyproject.toml b/pyproject.toml
index 579c69f..a8efae4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -86,7 +86,7 @@ dependencies = [
   "verlib2==0.3.1",
 ]
 optional-dependencies.develop = [
-  "black<25",
+  "black<26",
   "mypy<1.16",
   "poethepoet<1",
   "pyproject-fmt<3",