diff --git a/Cargo.lock b/Cargo.lock
index 6951a19c47..762ac74866 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2652,7 +2652,7 @@ dependencies = [
  "iroh-metrics",
  "nix 0.27.1",
  "parking_lot",
- "pkarr 1.1.5",
+ "pkarr",
  "portable-atomic",
  "postcard",
  "quic-rpc",
@@ -2705,7 +2705,7 @@ dependencies = [
  "lru",
  "mainline",
  "parking_lot",
- "pkarr 2.1.0",
+ "pkarr",
  "rcgen 0.12.1",
  "redb 2.1.1",
  "regex",
@@ -2882,7 +2882,7 @@ dependencies = [
  "once_cell",
  "parking_lot",
  "pin-project",
- "pkarr 2.1.0",
+ "pkarr",
  "postcard",
  "pretty_assertions",
  "proptest",
@@ -3825,25 +3825,9 @@ checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
 [[package]]
 name = "pkarr"
-version = "1.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "242ae92dfb9d2ba3aaa9caf4723e72043bc50729ad05a763771771ba03196ffb"
-dependencies = [
- "bytes",
- "ed25519-dalek",
- "rand",
- "self_cell",
- "simple-dns",
- "thiserror",
- "url",
- "z32",
-]
-
-[[package]]
-name = "pkarr"
-version = "2.1.0"
+version = "2.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4548c673cbf8c91b69f7a17d3a042710aa73cffe5e82351db5378f26c3be64d8"
+checksum = "a8ffdac8b4b7ea5240c46b28f88de799e0efaa2b93ccb08eaae6e50835dfe137"
 dependencies = [
  "bytes",
  "document-features",
diff --git a/iroh-cli/Cargo.toml b/iroh-cli/Cargo.toml
index 7a330dcf6c..1927897bd1 100644
--- a/iroh-cli/Cargo.toml
+++ b/iroh-cli/Cargo.toml
@@ -44,7 +44,7 @@ iroh = { version = "0.22.0", path = "../iroh", features = ["metrics"] }
 iroh-gossip = { version = "0.22.0", path = "../iroh-gossip" }
 iroh-metrics = { version = "0.22.0", path = "../iroh-metrics" }
 parking_lot = "0.12.1"
-pkarr = { version = "1.1.5", default-features = false }
+pkarr = { version = "2.0.0", default-features = false }
 portable-atomic = "1"
 postcard = "1.0.8"
 quic-rpc = { version = "0.11", features = ["flume-transport", "quinn-transport"] }
diff --git a/iroh-cli/src/commands/doctor.rs b/iroh-cli/src/commands/doctor.rs
index 3b2a8348c6..78c014a3e6 100644
--- a/iroh-cli/src/commands/doctor.rs
+++ b/iroh-cli/src/commands/doctor.rs
@@ -1015,7 +1015,7 @@ fn bold<T: Display>(x: T) -> String {
 }
 
 fn to_z32(node_id: NodeId) -> String {
-    pkarr::PublicKey::try_from(*node_id.as_bytes())
+    pkarr::PublicKey::try_from(node_id.as_bytes())
         .unwrap()
         .to_z32()
 }
diff --git a/iroh-net/src/discovery/pkarr/dht.rs b/iroh-net/src/discovery/pkarr/dht.rs
index 4b4d0e5ae1..cc79aafda2 100644
--- a/iroh-net/src/discovery/pkarr/dht.rs
+++ b/iroh-net/src/discovery/pkarr/dht.rs
@@ -73,6 +73,10 @@ struct Inner {
     ttl: u32,
     /// True to include the direct addresses in the DNS packet.
     include_direct_addresses: bool,
+    /// Initial delay before the first publish.
+    initial_publish_delay: Duration,
+    /// Republish delay for the DHT.
+    republish_delay: Duration,
 }
 
 /// Builder for PkarrNodeDiscovery.
@@ -86,6 +90,8 @@ pub struct Builder {
     pkarr_relay: Option<Url>,
     dht: bool,
     include_direct_addresses: bool,
+    initial_publish_delay: Duration,
+    republish_delay: Duration,
 }
 
 impl Default for Builder {
@@ -97,6 +103,8 @@ impl Default for Builder {
             pkarr_relay: None,
             dht: true,
             include_direct_addresses: false,
+            initial_publish_delay: INITIAL_PUBLISH_DELAY,
+            republish_delay: REPUBLISH_DELAY,
         }
     }
 }
@@ -146,6 +154,18 @@ impl Builder {
         self
     }
 
+    /// Set the initial delay before the first publish.
+    pub fn initial_publish_delay(mut self, initial_publish_delay: Duration) -> Self {
+        self.initial_publish_delay = initial_publish_delay;
+        self
+    }
+
+    /// Set the republish delay for the DHT.
+    pub fn republish_delay(mut self, republish_delay: Duration) -> Self {
+        self.republish_delay = republish_delay;
+        self
+    }
+
     /// Build the discovery mechanism.
     pub fn build(self) -> anyhow::Result<DhtDiscovery> {
         let pkarr = self
@@ -175,11 +195,13 @@ impl Builder {
         Ok(DhtDiscovery(Arc::new(Inner {
             pkarr,
             pkarr_relay,
-            secret_key: self.secret_key,
             ttl,
             relay_url,
             dht,
             include_direct_addresses,
+            secret_key: self.secret_key,
+            initial_publish_delay: self.initial_publish_delay,
+            republish_delay: self.republish_delay,
             task: Default::default(),
         })))
     }
@@ -199,7 +221,7 @@ impl DhtDiscovery {
             .to_z32();
         // initial delay. If the task gets aborted before this delay is over,
         // we have not published anything to the DHT yet.
-        tokio::time::sleep(INITIAL_PUBLISH_DELAY).await;
+        tokio::time::sleep(this.0.initial_publish_delay).await;
         loop {
             // publish to the DHT if enabled
             let dht_publish = async {
@@ -240,7 +262,7 @@ impl DhtDiscovery {
             };
             // do both at the same time
             tokio::join!(relay_publish, dht_publish);
-            tokio::time::sleep(REPUBLISH_DELAY).await;
+            tokio::time::sleep(this.0.republish_delay).await;
         }
     }
 
@@ -378,7 +400,7 @@ mod tests {
         let _ = tracing_subscriber::fmt::try_init();
         let ep = crate::Endpoint::builder().bind(0).await?;
         let secret = ep.secret_key().clone();
-        let testnet = mainline::dht::Testnet::new(5);
+        let testnet = mainline::dht::Testnet::new(2);
         let settings = pkarr::Settings {
             dht: DhtSettings {
                 bootstrap: Some(testnet.bootstrap.clone()),
@@ -389,6 +411,7 @@ mod tests {
         let client = PkarrClient::new(settings)?;
         let discovery = DhtDiscovery::builder()
             .secret_key(secret.clone())
+            .initial_publish_delay(Duration::ZERO)
             .client(client)
             .build()?;
         let relay_url: RelayUrl = Url::parse("https://example.com")?.into();