diff --git a/src/async_resolver.rs b/src/async_resolver.rs
index 74e24b84..1da2eff6 100644
--- a/src/async_resolver.rs
+++ b/src/async_resolver.rs
@@ -4,6 +4,7 @@ pub mod lookup_response;
 pub mod resolver_error;
 pub mod server_info;
 pub mod slist;
+pub mod state_block;
 
 use self::lookup_response::LookupResponse;
 use crate::async_resolver::resolver_error::ResolverError;