diff --git a/multisig_1_of_n_account/stellar-cli-sign-auth-ed25519/Cargo.lock b/multisig_1_of_n_account/stellar-cli-sign-auth-ed25519/Cargo.lock
index f94b75c8..430e8fe3 100644
--- a/multisig_1_of_n_account/stellar-cli-sign-auth-ed25519/Cargo.lock
+++ b/multisig_1_of_n_account/stellar-cli-sign-auth-ed25519/Cargo.lock
@@ -713,20 +713,18 @@ dependencies = [
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.9"
+version = "0.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e3aa3ed00e70082cb43febc1c2afa5056b9bb3e348bbb43d0cd0aa88a611144"
+checksum = "ee1832fb50c651ad10f734aaf5d31ca5acdfb197a6ecda64d93fcdb8885af913"
 dependencies = [
  "crate-git-revision",
  "data-encoding",
- "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
-version = "22.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e09ea07e51f4123d8142f9b9f6924691413abfcba4ab642b333e795782c0141"
+version = "22.1.0"
+source = "git+https://github.com/stellar/rs-stellar-xdr?branch=authsiter#5c46dd1655c70a11634b6c8bbdd7f5cd788ff9e7"
 dependencies = [
  "base64 0.13.1",
  "crate-git-revision",
@@ -760,26 +758,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "thiserror"
-version = "1.0.69"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
-dependencies = [
- "thiserror-impl",
-]
-
-[[package]]
-name = "thiserror-impl"
-version = "1.0.69"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "time"
 version = "0.3.39"
diff --git a/multisig_1_of_n_account/stellar-cli-sign-auth-ed25519/Cargo.toml b/multisig_1_of_n_account/stellar-cli-sign-auth-ed25519/Cargo.toml
index 2f6030c3..ddefa185 100644
--- a/multisig_1_of_n_account/stellar-cli-sign-auth-ed25519/Cargo.toml
+++ b/multisig_1_of_n_account/stellar-cli-sign-auth-ed25519/Cargo.toml
@@ -5,7 +5,7 @@ edition = "2021"
 publish = false
 
 [dependencies]
-stellar-xdr = { version = "22.2.0", features = ["base64", "serde"] }
+stellar-xdr = { version = "*", features = ["base64", "serde"], git = "https://github.com/stellar/rs-stellar-xdr", branch = "authsiter" }
 serde_json = "1.0.140"
 ed25519-dalek = { version = "1.0.1" }
 hex = "0.4.3"
diff --git a/multisig_1_of_n_account/stellar-cli-sign-auth-ed25519/src/main.rs b/multisig_1_of_n_account/stellar-cli-sign-auth-ed25519/src/main.rs
index 39229790..50e41a98 100644
--- a/multisig_1_of_n_account/stellar-cli-sign-auth-ed25519/src/main.rs
+++ b/multisig_1_of_n_account/stellar-cli-sign-auth-ed25519/src/main.rs
@@ -15,8 +15,8 @@ use clap::Parser;
 use ed25519_dalek::{Keypair, Signer};
 use sha2::{Digest, Sha256};
 use stellar_xdr::curr::{
-    Hash, HashIdPreimage, HashIdPreimageSorobanAuthorization, Limited, Limits, OperationBody,
-    ReadXdr, ScBytes, ScMap, ScSymbol, ScVal, SorobanCredentials, TransactionEnvelope, WriteXdr,
+    Hash, HashIdPreimage, HashIdPreimageSorobanAuthorization, Limited, Limits, ReadXdr, ScBytes,
+    ScMap, ScSymbol, ScVal, SorobanCredentials, TransactionEnvelope, WriteXdr,
 };
 
 #[derive(Parser, Debug, Clone)]
@@ -52,31 +52,14 @@ fn main() -> Result<(), Box<dyn Error>> {
         Limits::none(),
     ))?;
 
-    // Extract mutable references to the parts of the auths that are needed for signing.
-    let auths = match &mut txe {
-        TransactionEnvelope::Tx(e) => {
-            e.tx.operations
-                .iter_mut()
-                .filter_map(|op| match &mut op.body {
-                    OperationBody::InvokeHostFunction(op) => Some(op.auth.iter_mut().filter_map(
-                        |auth| match &mut auth.credentials {
-                            SorobanCredentials::Address(creds) => {
-                                Some((&mut auth.root_invocation, creds))
-                            }
-                            _ => None,
-                        },
-                    )),
-                    _ => None,
-                })
-                .flatten()
-        }
-        _ => Err("Unsupported transaction envelope")?,
-    };
-
     // Sign each auth.
     // TODO:It would be wise to only sign auths matching the contract address that are intended to
     // sign for, or to ask the user to confirm each auth.
-    for (invocation, creds) in auths {
+    for auth in txe.auths_mut() {
+        let (invocation, creds) = match &mut auth.credentials {
+            SorobanCredentials::Address(creds) => (&mut auth.root_invocation, creds),
+            _ => continue,
+        };
         eprintln!(
             "Authorizing:\n{}\n{}",
             serde_json::to_string_pretty(invocation)?,