diff --git a/Cargo.lock b/Cargo.lock
index 605c7a9e..20bf72d6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1376,9 +1376,9 @@ dependencies = [
 
 [[package]]
 name = "quick-xml"
-version = "0.30.0"
+version = "0.31.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eff6510e86862b57b210fd8cbe8ed3f0d7d600b9c2863cd4549a2e033c66e956"
+checksum = "1004a344b30a54e2ee58d66a71b32d2db2feb0a31f9a2d302bf0536f15de2a33"
 dependencies = [
  "memchr",
  "tokio",
diff --git a/lib/oxrdfxml/Cargo.toml b/lib/oxrdfxml/Cargo.toml
index 83739b35..660a631d 100644
--- a/lib/oxrdfxml/Cargo.toml
+++ b/lib/oxrdfxml/Cargo.toml
@@ -22,7 +22,7 @@ async-tokio = ["dep:tokio", "quick-xml/async-tokio"]
 oxrdf = { version = "0.2.0-alpha.1-dev", path = "../oxrdf" }
 oxilangtag = "0.1"
 oxiri = "0.2"
-quick-xml = ">=0.29, <0.31"
+quick-xml = ">=0.29, <0.32"
 tokio = { version = "1.29", optional = true, features = ["io-util"] }
 
 [dev-dependencies]
diff --git a/lib/oxrdfxml/src/parser.rs b/lib/oxrdfxml/src/parser.rs
index 086d094a..f13bbbd4 100644
--- a/lib/oxrdfxml/src/parser.rs
+++ b/lib/oxrdfxml/src/parser.rs
@@ -1144,7 +1144,7 @@ impl<R> RdfXmlReader<R> {
     fn convert_attribute(&self, attribute: &Attribute) -> Result<String, ParseError> {
         Ok(attribute
             .decode_and_unescape_value_with(&self.reader, |e| self.resolve_entity(e))?
-            .to_string())
+            .into_owned())
     }
 
     fn convert_iri_attribute(
diff --git a/lib/sparesults/Cargo.toml b/lib/sparesults/Cargo.toml
index 2516cdfa..e5ffe16f 100644
--- a/lib/sparesults/Cargo.toml
+++ b/lib/sparesults/Cargo.toml
@@ -22,7 +22,7 @@ rdf-star = ["oxrdf/rdf-star"]
 json-event-parser = "0.2.0-alpha.1"
 memchr = "2.5"
 oxrdf = { version = "0.2.0-alpha.1-dev", path="../oxrdf" }
-quick-xml = ">=0.29, <0.31"
+quick-xml = ">=0.29, <0.32"
 
 [package.metadata.docs.rs]
 all-features = true
diff --git a/lib/sparesults/src/xml.rs b/lib/sparesults/src/xml.rs
index 73d26fff..7df4fa9e 100644
--- a/lib/sparesults/src/xml.rs
+++ b/lib/sparesults/src/xml.rs
@@ -28,7 +28,7 @@ fn do_write_boolean_xml_result<W: Write>(sink: W, value: bool) -> Result<W, quic
                 .write_text_content(BytesText::new(""))?
                 .create_element("boolean")
                 .write_text_content(BytesText::new(if value { "true" } else { "false" }))?;
-            Ok(())
+            quick_xml::Result::Ok(())
         })?;
     Ok(writer.into_inner())
 }
@@ -57,7 +57,7 @@ impl<W: Write> XmlSolutionsWriter<W> {
                         .with_attribute(("name", variable.as_str()))
                         .write_empty()?;
                 }
-                Ok(())
+                quick_xml::Result::Ok(())
             })?;
         writer.write_event(Event::Start(BytesStart::new("results")))?;
         Ok(Self { writer })
@@ -81,12 +81,9 @@ impl<W: Write> XmlSolutionsWriter<W> {
                     writer
                         .create_element("binding")
                         .with_attribute(("name", variable.as_str()))
-                        .write_inner_content(|writer| {
-                            write_xml_term(value, writer)?;
-                            Ok(())
-                        })?;
+                        .write_inner_content(|writer| write_xml_term(value, writer))?;
                 }
-                Ok(())
+                quick_xml::Result::Ok(())
             })?;
         Ok(())
     }
@@ -150,7 +147,7 @@ fn write_xml_term(
                         .write_inner_content(|writer| {
                             write_xml_term(triple.object.as_ref(), writer)
                         })?;
-                    Ok(())
+                    quick_xml::Result::Ok(())
                 })?;
         }
     }
@@ -370,7 +367,8 @@ impl<R: Read> XmlSolutionsReader<R> {
                         } else if event.local_name().as_ref() == b"bnode" {
                             state = State::BNode;
                         } else if event.local_name().as_ref() == b"literal" {
-                            for attr in event.attributes().flatten() {
+                            for attr in event.attributes() {
+                                let attr = attr.map_err(quick_xml::Error::from)?;
                                 if attr.key.as_ref() == b"xml:lang" {
                                     lang = Some(
                                         attr.decode_and_unescape_value(&self.reader)?.to_string(),
diff --git a/testsuite/src/lib.rs b/testsuite/src/lib.rs
index fc42e12e..e9ce6df0 100644
--- a/testsuite/src/lib.rs
+++ b/testsuite/src/lib.rs
@@ -27,7 +27,7 @@ pub fn check_testsuite(manifest_url: &str, ignored_tests: &[&str]) -> Result<()>
     for result in results {
         if let Err(error) = &result.outcome {
             if !ignored_tests.contains(&result.test.as_str()) {
-                errors.push(format!("{}: failed with error {}", result.test, error))
+                errors.push(format!("{}: failed with error {error:?}", result.test))
             }
         }
     }