diff --git a/libbuild2-autoconf/manifest b/libbuild2-autoconf/manifest
index f846236..9f42ea9 100644
--- a/libbuild2-autoconf/manifest
+++ b/libbuild2-autoconf/manifest
@@ -8,6 +8,7 @@ description-file: README.md
 url: https://github.com/build2/libbuild2-autoconf
 email: users@build2.org
 build-warning-email: builds@build2.org
+builds: all
 depends: * build2 >= 0.15.0-
 depends: * bpkg >= 0.15.0-
 tests: * libbuild2-autoconf-tests == $