diff --git a/Cargo.toml b/Cargo.toml
index d77083a..41fde09 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ path = "src/lib.rs"
 
 [dependencies]
 serde = { version = "1.0", features = ["derive"] }
-bitcoin = { version = "0.28.1", features = ["use-serde"] }
+bitcoin = { version = "0.29.1", features = ["serde"] }
 log = "^0.4"
 ureq = { version = "~2.2.0", features = ["json"], optional = true }
 reqwest = { version = "0.11", optional = true, default-features = false, features = ["json"] }
@@ -25,8 +25,8 @@ reqwest = { version = "0.11", optional = true, default-features = false, feature
 [dev-dependencies]
 serde_json = "1.0"
 tokio = { version = "1.20.1", features = ["full"] }
-electrsd = { version = "0.19.1", features = ["legacy", "esplora_a33e97e1", "bitcoind_22_0"] }
-electrum-client = "0.10"
+electrsd = { version = "0.21.1", features = ["legacy", "esplora_a33e97e1", "bitcoind_22_0"] }
+electrum-client = "0.12.0"
 lazy_static = "1.4.0"
 
 [features]
diff --git a/src/api.rs b/src/api.rs
index 7b86c9f..3c22971 100644
--- a/src/api.rs
+++ b/src/api.rs
@@ -83,7 +83,7 @@ impl Tx {
     pub fn to_tx(&self) -> Transaction {
         Transaction {
             version: self.version,
-            lock_time: self.locktime,
+            lock_time: bitcoin::PackedLockTime(self.locktime),
             input: self
                 .vin
                 .iter()
@@ -94,7 +94,7 @@ impl Tx {
                         vout: vin.vout,
                     },
                     script_sig: vin.scriptsig,
-                    sequence: vin.sequence,
+                    sequence: bitcoin::Sequence(vin.sequence),
                     witness: Witness::from_vec(vin.witness),
                 })
                 .collect(),
diff --git a/src/lib.rs b/src/lib.rs
index ba7e388..9a6c1c2 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -204,6 +204,7 @@ mod test {
     use tokio::sync::Mutex;
     #[cfg(all(feature = "blocking", any(feature = "async", feature = "async-https")))]
     use {
+        bitcoin::hashes::Hash,
         bitcoin::Amount,
         electrsd::{
             bitcoind::bitcoincore_rpc::bitcoincore_rpc_json::AddressType,
@@ -491,7 +492,7 @@ mod test {
 
         let (blocking_client, async_client) = setup_clients().await;
 
-        let block_hash = BlockHash::default();
+        let block_hash = BlockHash::all_zeros();
 
         let expected = BlockStatus {
             in_best_chain: false,