diff --git a/MANIFEST.in b/MANIFEST.in
index a53486e..d5637af 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,6 +1,7 @@
 graft csvbase/web/templates
 graft csvbase/web/static
 include requirements.txt
+include requirements-test.txt
 include csvbase/VERSION
 include csvbase/data/prohibited-usernames
 global-exclude *.pyc
\ No newline at end of file
diff --git a/Makefile b/Makefile
index 0d46765..96b58c9 100644
--- a/Makefile
+++ b/Makefile
@@ -49,5 +49,5 @@ dump-schema:
 release: dist/csvbase-$VERSION-py3-none-any.whl
 
 dist/csvbase-$VERSION-py3-none-any.whl: static-deps
-	. .venv/bin/activate; python -m pip install build==0.7.0
+	. .venv/bin/activate; python -m pip install build==1.2.1
 	. .venv/bin/activate; python -m build