diff --git a/Cargo.lock b/Cargo.lock
index b4479b1..ae2b968 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1552,9 +1552,9 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.16"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f30b0abd723be7e2ffca1272140fac1a2f084c77ec3e123c192b66af1ee9e6c2"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
@@ -1862,7 +1862,7 @@ dependencies = [
  "opentelemetry",
  "opentelemetry-otlp",
  "pin-project-lite",
- "quick-xml 0.30.0",
+ "quick-xml",
  "refinery",
  "reqwest",
  "reqwest-middleware",
@@ -2065,16 +2065,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "quick-xml"
-version = "0.27.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ffc053f057dd768a56f62cd7e434c42c831d296968997e9ac1f76ea7c2d14c41"
-dependencies = [
- "memchr",
- "serde",
-]
-
 [[package]]
 name = "quick-xml"
 version = "0.30.0"
@@ -2420,15 +2410,15 @@ checksum = "7ffc183a10b4478d04cbbbfc96d0873219d962dd5accaff2ffbd4ceb7df837f4"
 
 [[package]]
 name = "rusty-s3"
-version = "0.4.1"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c92776b0db0fea6d7cc3abb9d0d745814c71124471a3bfd84b1265a28c06130"
+checksum = "31aa883f1b986a5249641e574ca0e11ac4fb9970b009c6fbb96fedaf4fa78db8"
 dependencies = [
  "base64 0.21.4",
  "hmac",
  "md-5",
  "percent-encoding",
- "quick-xml 0.27.1",
+ "quick-xml",
  "serde",
  "serde_json",
  "sha2",
diff --git a/Cargo.toml b/Cargo.toml
index c863b9e..1988e1f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -44,7 +44,7 @@ refinery = { version = "0.8.10", features = ["tokio-postgres", "postgres"] }
 reqwest = { version = "0.11.18", default-features = false, features = ["json", "rustls-tls", "stream"] }
 reqwest-middleware = "0.2.2"
 reqwest-tracing = { version = "0.4.5" }
-rusty-s3 = "0.4.1"
+rusty-s3 = "0.5.0"
 serde = { version = "1.0", features = ["derive"] }
 serde-tuple-vec-map = "1.0.1"
 serde_json = "1.0"
diff --git a/src/store/object_store.rs b/src/store/object_store.rs
index 2985e51..a5f9e56 100644
--- a/src/store/object_store.rs
+++ b/src/store/object_store.rs
@@ -15,7 +15,10 @@ use base64::{prelude::BASE64_STANDARD, Engine};
 use futures_core::Stream;
 use reqwest::{header::RANGE, Body, Response};
 use reqwest_middleware::{ClientWithMiddleware, RequestBuilder};
-use rusty_s3::{actions::S3Action, Bucket, BucketError, Credentials, UrlStyle};
+use rusty_s3::{
+    actions::{CreateMultipartUpload, S3Action},
+    Bucket, BucketError, Credentials, UrlStyle,
+};
 use std::{string::FromUtf8Error, sync::Arc, time::Duration};
 use storage_path_generator::{Generator, Path};
 use streem::IntoStreamer;
@@ -122,16 +125,6 @@ pub(crate) struct ObjectStoreConfig {
     public_endpoint: Option<Url>,
 }
 
-#[derive(serde::Deserialize, Debug)]
-struct InitiateMultipartUploadResponse {
-    #[serde(rename = "Bucket")]
-    _bucket: String,
-    #[serde(rename = "Key")]
-    _key: String,
-    #[serde(rename = "UploadId")]
-    upload_id: String,
-}
-
 impl ObjectStoreConfig {
     pub(crate) fn build(self, client: ClientWithMiddleware) -> ObjectStore {
         ObjectStore {
@@ -255,10 +248,9 @@ impl Store for ObjectStore {
             return Err(status_error(response).await);
         }
 
-        let body = response.bytes().await.map_err(ObjectError::Request)?;
-        let body: InitiateMultipartUploadResponse =
-            quick_xml::de::from_reader(&*body).map_err(ObjectError::from)?;
-        let upload_id = &body.upload_id;
+        let body = response.text().await.map_err(ObjectError::Request)?;
+        let body = CreateMultipartUpload::parse_response(&body).map_err(ObjectError::Xml)?;
+        let upload_id = body.upload_id();
 
         // hack-ish: use async block as Result boundary
         let res = async {
@@ -280,7 +272,7 @@ impl Store for ObjectStore {
                 let this = self.clone();
 
                 let object_id2 = object_id.clone();
-                let upload_id2 = upload_id.clone();
+                let upload_id2 = upload_id.to_string();
                 let handle = crate::sync::spawn(
                     async move {
                         let response = this