diff --git a/pdm.lock b/pdm.lock
index 2789b87..b27cd15 100644
--- a/pdm.lock
+++ b/pdm.lock
@@ -5,7 +5,7 @@
 groups = ["default", "dev"]
 strategy = ["cross_platform"]
 lock_version = "4.5.0"
-content_hash = "sha256:c2aeda18710b5f5d988dcb25d052581589e134e29020e0eab94ff05b027e9c3b"
+content_hash = "sha256:3c3b6ca70f10329b87da86ae8d75f22c95bf0554cc19eb01289848363a7e6ff5"
 
 [[metadata.targets]]
 requires_python = ">=3.10"
diff --git a/pyproject.toml b/pyproject.toml
index bd4ddc1..adcad51 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -57,7 +57,7 @@ ignore = ["E731"]
 
 [dependency-groups]
 dev = [
-  "black>=25.12.0",
+  "black>=26.1.0",
   "mypy>=1.19.1",
   "ruff>=0.14.14",
   "pytest>=9.0.2",