diff --git a/src/coreModules.ts b/src/coreModules.ts
index 7a6a8b4..2a1a3b3 100644
--- a/src/coreModules.ts
+++ b/src/coreModules.ts
@@ -3,10 +3,12 @@ import { SignedRegistryEntry } from "@lumeweb/libs5";
 import { base58btc } from "multiformats/bases/base58";
 
 const CORE_MODULES = {
-  swarm: "",
-  peerDiscoveryRegistry: "",
-  ircPeerDiscovery: "",
-  s5: "",
+  swarm: "z3o47aaLSspwrXzmu5mjuHPwaq3gRbyYQ3jL9RM1ammuHGB7uxSFBK2dRjqR",
+  peerDiscoveryRegistry:
+    "z3o47aaLSspwrXzmu5mjuHPwaq3gRbyYQ3jL9RM1ammuHGB7uxSFBK2dRjqR",
+  ircPeerDiscovery:
+    "z3o47admQjBj2QUrwHhvTB3nV1cBwQ5ZaKF7P5WELXeRyzzvBZr33QMJWTLs",
+  s5: "z3o47hB2zLuvBMFaWa55SmbFQe3u97dWUG4fssXXTEcT4ZvnPkPaRF14b1EF",
 };
 
 export default CORE_MODULES;