diff --git a/pyproject.toml b/pyproject.toml
index 1cd05c6..066cdf4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ aws-xray-sdk = "^2.15.0"
 
 
 [tool.poetry.group.dev.dependencies]
-black = "^26.1.0"
+black = "^26.3.1"
 ruff = "^0.15.0"
 pytest = "^9.0.0"
 pytest-mock = "^3.15.1"