diff --git a/types/libp2p/index.d.ts b/types/libp2p/index.d.ts
index fb04616..7d0b489 100644
--- a/types/libp2p/index.d.ts
+++ b/types/libp2p/index.d.ts
@@ -93,6 +93,7 @@ declare class PeerStore {
 }
 
 declare class Registrar {
+    connections: Map<string, LibP2pConnection[]>;
     getConnection(peerInfo: PeerInfo): LibP2pConnection;
     handle: Function;
     register(topology: Object): string;