diff --git a/src/index.js b/src/index.js
index 74dc444..f2b5de3 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,3 +1,4 @@
 export { prop } from './property';
 export { computed } from './computed';
 export { container } from './container';
+export { call, id } from './util.js';