diff --git a/pyproject.toml b/pyproject.toml
index e415c1e..16ae553 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ dependencies = [
 [dependency-groups]
 dev = [
     "bandit==1.9.4",
-    "black==26.3.0",
+    "black==26.3.1",
     "coverage==7.13.4",
     "flake8-bugbear==25.11.29",
     "flake8-pytest-style==2.2.0",