diff --git a/vendor/nim-json-rpc b/vendor/nim-json-rpc
index 32ba2d16b..335f292a5 160000
--- a/vendor/nim-json-rpc
+++ b/vendor/nim-json-rpc
@@ -1 +1 @@
-Subproject commit 32ba2d16b919310a8c6797ac45747595f301a207
+Subproject commit 335f292a5816910aebf215e3a88db8a665133e0e
diff --git a/waku/v2/protocol/waku_rln_relay/waku_rln_relay_types.nim b/waku/v2/protocol/waku_rln_relay/waku_rln_relay_types.nim
index 74235f1cb..1444a4eae 100644
--- a/waku/v2/protocol/waku_rln_relay/waku_rln_relay_types.nim
+++ b/waku/v2/protocol/waku_rln_relay/waku_rln_relay_types.nim
@@ -159,7 +159,7 @@ const
   MERKLE_TREE_DEPTH* = 20
   # TODO the ETH_CLIENT should be an input to the rln-relay, though hardcoded for now
   # the current address is the address of ganache-cli when run locally
-  ETH_CLIENT* = "ws://localhost:8540/"
+  ETH_CLIENT* = "ws://127.0.0.1:8540"
 
 const
   # the size of poseidon hash output in bits