diff --git a/Cargo-minimal.lock b/Cargo-minimal.lock
index 054ef62c..adc611bd 100644
--- a/Cargo-minimal.lock
+++ b/Cargo-minimal.lock
@@ -217,9 +217,9 @@ dependencies = [
 
 [[package]]
 name = "bitcoin"
-version = "0.32.2"
+version = "0.32.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea507acc1cd80fc084ace38544bbcf7ced7c2aa65b653b102de0ce718df668f6"
+checksum = "788902099d47c8682efe6a7afb01c8d58b9794ba66c06affd81c3d6b560743eb"
 dependencies = [
  "base58ck",
  "base64 0.21.7",
diff --git a/Cargo-recent.lock b/Cargo-recent.lock
index 054ef62c..adc611bd 100644
--- a/Cargo-recent.lock
+++ b/Cargo-recent.lock
@@ -217,9 +217,9 @@ dependencies = [
 
 [[package]]
 name = "bitcoin"
-version = "0.32.2"
+version = "0.32.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea507acc1cd80fc084ace38544bbcf7ced7c2aa65b653b102de0ce718df668f6"
+checksum = "788902099d47c8682efe6a7afb01c8d58b9794ba66c06affd81c3d6b560743eb"
 dependencies = [
  "base58ck",
  "base64 0.21.7",
diff --git a/payjoin-directory/Cargo.toml b/payjoin-directory/Cargo.toml
index 051e8a65..0735fc15 100644
--- a/payjoin-directory/Cargo.toml
+++ b/payjoin-directory/Cargo.toml
@@ -18,7 +18,7 @@ danger-local-https = ["hyper-rustls", "rustls", "tokio-rustls"]
 
 [dependencies]
 anyhow = "1.0.71"
-bitcoin = { version = "0.32.2", features = ["base64"] }
+bitcoin = { version = "0.32.4", features = ["base64"] }
 bhttp = { version = "=0.5.1", features = ["http"] }
 futures = "0.3.17"
 http-body-util = "0.1.2"
diff --git a/payjoin/Cargo.toml b/payjoin/Cargo.toml
index 8412086b..ff503aa5 100644
--- a/payjoin/Cargo.toml
+++ b/payjoin/Cargo.toml
@@ -24,7 +24,7 @@ io = ["reqwest/rustls-tls"]
 danger-local-https = ["io", "reqwest/rustls-tls", "rustls"]
 
 [dependencies]
-bitcoin = { version = "0.32.2", features = ["base64"] }
+bitcoin = { version = "0.32.4", features = ["base64"] }
 bip21 = "0.5.0"
 hpke = { package = "bitcoin-hpke", version = "0.13.0", optional = true }
 log = { version = "0.4.14"}
diff --git a/payjoin/src/psbt.rs b/payjoin/src/psbt.rs
index 46b6cdf1..a051fa80 100644
--- a/payjoin/src/psbt.rs
+++ b/payjoin/src/psbt.rs
@@ -4,10 +4,9 @@ use std::collections::BTreeMap;
 use std::fmt;
 
 use bitcoin::address::FromScriptError;
-use bitcoin::blockdata::script::Instruction;
 use bitcoin::psbt::Psbt;
 use bitcoin::transaction::InputWeightPrediction;
-use bitcoin::{bip32, psbt, Address, AddressType, Network, Script, TxIn, TxOut, Weight};
+use bitcoin::{bip32, psbt, Address, AddressType, Network, TxIn, TxOut, Weight};
 
 #[derive(Debug)]
 pub(crate) enum InconsistentPsbt {
@@ -93,14 +92,6 @@ impl PsbtExt for Psbt {
     }
 }
 
-/// Gets redeemScript from the script_sig following BIP16 rules regarding P2SH spending.
-fn redeem_script(script_sig: &Script) -> Option<&Script> {
-    match script_sig.instructions().last()?.ok()? {
-        Instruction::PushBytes(bytes) => Some(Script::from_bytes(bytes.as_bytes())),
-        Instruction::Op(_) => None,
-    }
-}
-
 // input script: 0x160014{20-byte-key-hash} = 23 bytes
 // witness: <signature> <pubkey> = 72, 33 bytes
 // https://github.com/bitcoin/bips/blob/master/bip-0141.mediawiki#p2wpkh-nested-in-bip16-p2sh
@@ -202,7 +193,7 @@ impl InternalInputPair<'_> {
             P2sh => {
                 // redeemScript can be extracted from scriptSig for signed P2SH inputs
                 let redeem_script = if let Some(ref script_sig) = self.psbtin.final_script_sig {
-                    redeem_script(script_sig)
+                    script_sig.redeem_script()
                 // try the PSBT redeem_script field for unsigned inputs.
                 } else {
                     self.psbtin.redeem_script.as_ref().map(|script| script.as_ref())