diff --git a/requirements-source.in b/requirements-source.in
index 20c80f1..c21db6e 100644
--- a/requirements-source.in
+++ b/requirements-source.in
@@ -1,4 +1,4 @@
-build==1.3.0
+build==1.4.0
 certifi==2025.11.12
 charset-normalizer==3.4.4
 filelock==3.20.0