diff --git a/pyproject.toml b/pyproject.toml
index a327de9..6a54c98 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ spellcheck = [
     "codespell==2.4.2"
 ]
 test_packaging = [
-    "build==1.4.2",
+    "build==1.4.3",
     "twine==6.2.0"
 ]
 tests = [