diff --git a/pyproject.toml b/pyproject.toml
index 8e61f8f..82a599a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -66,7 +66,7 @@ test = [
   "ruff==0.14.10",
 ]
 dev = [
-  "build==1.3.0",
+  "build==1.4.0",
   "twine==6.2.0",
 ]