diff --git a/pyproject.toml b/pyproject.toml
index 7d48819..ea8f2cb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ dev = [
     "bandit>=1.9.0",
     "black>=25.11.0",
     "isort>=7.0.0",
-    "build>=1.3.0",
+    "build>=1.4.3",
     "twine>=6.2.0",
     "pip-audit>=2.10.0",
     "markdown>=3.10",