diff --git a/pyproject.toml b/pyproject.toml
index 30edf54..78ceb2f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ description = "Add your description here"
 readme = "README.md"
 requires-python = ">=3.14"
 dependencies = [
-    "black>=26.1.0",
+    "black>=26.3.1",
     "certifi>=2026.2.25",
     "email-validator>=2.3.0",
     "flask>=3.1.3",