diff --git a/examples/gno.land/p/demo/daodao/interfaces/gno.mod b/examples/gno.land/p/demo/daodao/interfaces/gno.mod
index 38eb9688d47..5817394f3f4 100644
--- a/examples/gno.land/p/demo/daodao/interfaces/gno.mod
+++ b/examples/gno.land/p/demo/daodao/interfaces/gno.mod
@@ -2,4 +2,5 @@ module gno.land/p/demo/daodao/interfaces
 
 require (
         "gno.land/p/demo/jsonutil" v0.0.0-latest
+        "gno.land/p/demo/avl" v0.0.0-latest
 )
\ No newline at end of file