diff --git a/pyproject.toml b/pyproject.toml
index cc9fb93..7ae9390 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ dependencies    = [
 
 [project.optional-dependencies]
 black = [
-    "black==25.12.0",
+    "black==26.1.0",
 ]
 ruff = [
     "ruff==0.14.13",
diff --git a/requirements_black.txt b/requirements_black.txt
index edfc3ef..2f42b64 100644
--- a/requirements_black.txt
+++ b/requirements_black.txt
@@ -1 +1 @@
-black==25.12.0
+black==26.1.0