diff --git a/requirements/constraints.txt b/requirements/constraints.txt
index 0dafffedd7a..a28f82a959e 100644
--- a/requirements/constraints.txt
+++ b/requirements/constraints.txt
@@ -34,7 +34,7 @@ blockbuster==1.5.26
     #   -r requirements/test-common.in
 brotli==1.2.0 ; platform_python_implementation == "CPython"
     # via -r requirements/runtime-deps.in
-build==1.3.0
+build==1.4.0
     # via pip-tools
 certifi==2026.1.4
     # via requests
diff --git a/requirements/dev.txt b/requirements/dev.txt
index 4b99549dc12..bfebee41c38 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -34,7 +34,7 @@ blockbuster==1.5.26
     #   -r requirements/test-common.in
 brotli==1.2.0 ; platform_python_implementation == "CPython"
     # via -r requirements/runtime-deps.in
-build==1.3.0
+build==1.4.0
     # via pip-tools
 certifi==2026.1.4
     # via requests