diff --git a/pyproject.toml b/pyproject.toml
index e9359dd..f16e77a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,7 +43,7 @@ dev = [
     "pytest-mock==3.15.1",
     "pytest-xdist==3.8.0",
     "coverage[toml]==7.13.0",
-    "black==25.12.0",
+    "black==26.1.0",
     "flake8==7.3.0",
     "mypy==1.19.1",
     "types-PyYAML==6.0.12.20250915",