diff --git a/Cargo.lock b/Cargo.lock
index 85da877..24ecd3e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1346,7 +1346,7 @@ checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
 [[package]]
 name = "waku-bindings"
-version = "0.1.0-beta2"
+version = "0.1.0-beta3"
 dependencies = [
  "aes-gcm",
  "base64",
@@ -1366,7 +1366,7 @@ dependencies = [
 
 [[package]]
 name = "waku-sys"
-version = "0.1.0-beta2"
+version = "0.1.0-beta3"
 dependencies = [
  "bindgen",
 ]
diff --git a/waku-bindings/Cargo.toml b/waku-bindings/Cargo.toml
index 7d0c3fa..fa4ceeb 100644
--- a/waku-bindings/Cargo.toml
+++ b/waku-bindings/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "waku-bindings"
-version = "0.1.0-beta2"
+version = "0.1.0-beta3"
 edition = "2021"
 authors = [
     "Daniel Sanchez Quiros <danielsq@status.im>"
@@ -25,7 +25,7 @@ serde_json = "1.0"
 sscanf = "0.3"
 smart-default = "0.6"
 url = "2.3"
-waku-sys = { version = "0.1.0-beta2", path = "../waku-sys" }
+waku-sys = { version = "0.1.0-beta3", path = "../waku-sys" }
 
 [dev-dependencies]
 serial_test = "0.10.0"
diff --git a/waku-bindings/src/node/config.rs b/waku-bindings/src/node/config.rs
index 6a5edb5..ecbf5a6 100644
--- a/waku-bindings/src/node/config.rs
+++ b/waku-bindings/src/node/config.rs
@@ -4,6 +4,7 @@ use std::fmt::{Display, Formatter};
 use std::str::FromStr;
 // std
 // crates
+use crate::WakuPubSubTopic;
 use multiaddr::Multiaddr;
 use secp256k1::SecretKey;
 use serde::{Deserialize, Serialize};
@@ -33,6 +34,8 @@ pub struct WakuNodeConfig {
     /// Enable relay protocol. Default `true`
     #[default(Some(true))]
     pub relay: Option<bool>,
+    #[serde(default)]
+    pub relay_topics: Vec<WakuPubSubTopic>,
     /// The minimum number of peers required on a topic to allow broadcasting a message. Default `0`
     #[default(Some(0))]
     pub min_peers_to_publish: Option<usize>,
@@ -47,7 +50,7 @@ pub struct WakuNodeConfig {
     #[serde(rename = "discV5")]
     pub discv5: Option<bool>,
     /// Array of bootstrap nodes ENR.
-    #[serde(rename = "discV5BootstrapNodes")]
+    #[serde(rename = "discV5BootstrapNodes", default)]
     pub discv5_bootstrap_nodes: Vec<String>,
     /// UDP port for DiscoveryV5. Default `9000`.
     #[default(Some(9000))]
diff --git a/waku-bindings/tests/node.rs b/waku-bindings/tests/node.rs
index 5850ae4..58856ea 100644
--- a/waku-bindings/tests/node.rs
+++ b/waku-bindings/tests/node.rs
@@ -26,6 +26,7 @@ pub fn main() -> Result<(), String> {
         node_key: None,
         keep_alive_interval: None,
         relay: None,
+        relay_topics: vec![],
         min_peers_to_publish: None,
         filter: None,
         log_level: Some(WakuLogLevel::Error),
diff --git a/waku-sys/Cargo.toml b/waku-sys/Cargo.toml
index 888b796..45838a4 100644
--- a/waku-sys/Cargo.toml
+++ b/waku-sys/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "waku-sys"
-version = "0.1.0-beta2"
+version = "0.1.0-beta3"
 edition = "2021"
 authors = [
     "Daniel Sanchez Quiros <danielsq@status.im>"
diff --git a/waku-sys/vendor b/waku-sys/vendor
index 2c9c763..6c989fb 160000
--- a/waku-sys/vendor
+++ b/waku-sys/vendor
@@ -1 +1 @@
-Subproject commit 2c9c763c306dfa10dc371134d830702d4e0fbf0f
+Subproject commit 6c989fb1780159aacd8ec210ac4d7a33f40005df