diff --git a/Cargo.toml b/Cargo.toml
index b5409179..95141c1d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -39,7 +39,7 @@ serde_json = "1.0.64"
 thiserror = "1.0.24"
 static_assertions = "1.1.0"
 http = "0.2.3"
-multer = "1.2.2"
+multer = "2.0.0"
 tempfile = "3.2.0"
 
 # Feature optional dependencies
diff --git a/src/http/multipart.rs b/src/http/multipart.rs
index 67f3b1b3..ded7d8de 100644
--- a/src/http/multipart.rs
+++ b/src/http/multipart.rs
@@ -43,7 +43,7 @@ pub(super) async fn receive_batch_multipart(
     boundary: impl Into<String>,
     opts: MultipartOptions,
 ) -> Result<BatchRequest, ParseRequestError> {
-    let mut multipart = Multipart::new_with_constraints(
+    let mut multipart = Multipart::with_constraints(
         ReaderStream::new(body),
         boundary,
         Constraints::new().size_limit({