diff --git a/constraints/build.txt b/constraints/build.txt
index df57784..6529d89 100644
--- a/constraints/build.txt
+++ b/constraints/build.txt
@@ -1,4 +1,4 @@
 # Pinned build backend for release artifacts: a backend release must not change the
 # bytes of a tagged sdist/wheel after the fact.
 hatchling==1.31.0
-build==1.5.0
+build==1.6.0