diff --git a/Cargo.toml b/Cargo.toml
index 874a924..23f6e88 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,7 +9,7 @@ edition = "2018"
 [dependencies]
 tokio = { version = "0.2.22", features = ["full"] }
 anyhow = { version = "1.0.38", default-features = false }
-iota-streams = { git = "https://github.com/iotaledger/streams", branch = "chrysalis-2" }
+iota-streams = { git = "https://github.com/iotaledger/streams", branch = "v1.1.0" }
 rand = "0.7.3"
 hyper = "0.13"
 json = "0.12.4"
diff --git a/config.json b/config.json
index 305afd1..855a19f 100644
--- a/config.json
+++ b/config.json
@@ -3,5 +3,6 @@
   "mwm": 5,
   "local_pow": true,
   "api_port": 8080,
-  "seed": null
+  "seed": null,
+  "pre_shared_key": "SubscriberPreSharedKey"
 }
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index 15d351e..18d05cb 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -20,10 +20,9 @@ async fn main() -> Result<()> {
         seed = config["seed"].as_str().unwrap().to_string()
     }
 
-    let mwm = config["mwm"].as_u64().unwrap() as u8;
     let node = config["node"].as_str().unwrap();
-    let local_pow = config["local_pow"].as_bool().unwrap();
     let port = config["api_port"].as_u64().unwrap() as u16;
+    let psk = config["pre_shared_key"].as_str().unwrap();
 
 
     let annotation_store = Arc::new(Mutex::new(AnnotationStore::new()));
@@ -32,7 +31,7 @@ async fn main() -> Result<()> {
     println!("Making Streams channel...");
     println!("node = {}", config["node"]);
     println!("seed = {}", seed.as_str());
-    let author = Arc::new(Mutex::new(ChannelAuthor::new(seed.as_str(), mwm, local_pow, node).unwrap()));
+    let author = Arc::new(Mutex::new(ChannelAuthor::new(seed.as_str(), node, psk).unwrap()));
     let channel_address = author.lock().unwrap().get_announcement_id().unwrap();
     println!("\nChannel Address - {}:{}\n", channel_address.0, channel_address.1);
 
diff --git a/src/streams/author.rs b/src/streams/author.rs
index 12b351c..2557c9f 100644
--- a/src/streams/author.rs
+++ b/src/streams/author.rs
@@ -6,7 +6,12 @@ use iota_streams::app::transport::{
         MsgId,
     }
 };
-use iota_streams::app_channels::api::tangle::{Address, Author, ChannelAddress, MessageContent};
+use iota_streams::app_channels::api::{
+    pskid_from_psk,
+    psk_from_seed,
+    PskId,
+    tangle::{Address, Author, ChannelAddress, MessageContent}
+};
 use iota_streams::core_edsig::signature::ed25519::PublicKey;
 
 use std::str::FromStr;
@@ -16,10 +21,11 @@ pub struct ChannelAuthor {
     author: Author<Client>,
     announcement_id: Address,
     channel_address: ChannelAddress,
+    subscriber_key_id: PskId,
 }
 
 impl ChannelAuthor {
-    pub fn new(seed: &str, mwm: u8, local_pow: bool, node: &str) -> Result<ChannelAuthor> {
+    pub fn new(seed: &str, node: &str, psk_str: &str) -> Result<ChannelAuthor> {
 
         // Create Client instance
         let mut client = Client::new_from_url(node);
@@ -28,10 +34,15 @@ impl ChannelAuthor {
         let mut author = Author::new(seed, "utf-8", PAYLOAD_BYTES, true, client);
         let announcement_id = author.send_announce()?;
 
+        let psk = psk_from_seed(psk_str.as_bytes());
+        let pskid = pskid_from_psk(&psk);
+        author.store_psk(pskid, psk);
+
         Ok(ChannelAuthor {
             author: author,
             announcement_id: announcement_id.clone(),
-            channel_address: announcement_id.appinst.clone()
+            channel_address: announcement_id.appinst.clone(),
+            subscriber_key_id: pskid
         })
     }
 
@@ -59,7 +70,7 @@ impl ChannelAuthor {
 
                 let keyload = self.author.send_keyload(
                     &self.announcement_id,
-                    &vec![],
+                    &vec![self.subscriber_key_id],
                     &vec![PublicKey::from_bytes(pk).unwrap()]
                 )?;