diff --git a/server_fn/src/codec/cbor.rs b/server_fn/src/codec/cbor.rs
index 051bc266c..a5a91c811 100644
--- a/server_fn/src/codec/cbor.rs
+++ b/server_fn/src/codec/cbor.rs
@@ -29,7 +29,12 @@ where
         let mut buffer: Vec<u8> = Vec::new();
         ciborium::ser::into_writer(&self, &mut buffer)
             .map_err(|e| ServerFnError::Serialization(e.to_string()))?;
-        Request::try_new_post_bytes(path, accepts, Cbor::CONTENT_TYPE, &buffer)
+        Request::try_new_post_bytes(
+            path,
+            accepts,
+            Cbor::CONTENT_TYPE,
+            Bytes::from(buffer),
+        )
     }
 }
 
diff --git a/server_fn/src/codec/rkyv.rs b/server_fn/src/codec/rkyv.rs
index ab5ed08ae..2d9753ad1 100644
--- a/server_fn/src/codec/rkyv.rs
+++ b/server_fn/src/codec/rkyv.rs
@@ -35,12 +35,8 @@ where
     ) -> Result<Request, ServerFnError<CustErr>> {
         let encoded = rkyv::to_bytes::<T, 1024>(&self)
             .map_err(|e| ServerFnError::Serialization(e.to_string()))?;
-        Request::try_new_post_bytes(
-            path,
-            accepts,
-            Rkyv::CONTENT_TYPE,
-            encoded.as_ref(),
-        )
+        let bytes = Bytes::copy_from_slice(encoded.as_ref());
+        Request::try_new_post_bytes(path, accepts, Rkyv::CONTENT_TYPE, bytes)
     }
 }
 
@@ -54,7 +50,7 @@ where
 {
     async fn from_req(req: Request) -> Result<Self, ServerFnError<CustErr>> {
         let body_bytes = req.try_into_bytes().await?;
-        rkyv::from_bytes::<T>(&body_bytes)
+        rkyv::from_bytes::<T>(body_bytes.as_ref())
             .map_err(|e| ServerFnError::Args(e.to_string()))
     }
 }
diff --git a/server_fn/src/request/browser.rs b/server_fn/src/request/browser.rs
index 5708ed3d2..820ea77ff 100644
--- a/server_fn/src/request/browser.rs
+++ b/server_fn/src/request/browser.rs
@@ -78,12 +78,13 @@ impl<CustErr> ClientReq<CustErr> for BrowserRequest {
         path: &str,
         accepts: &str,
         content_type: &str,
-        body: &[u8],
+        body: Bytes,
     ) -> Result<Self, ServerFnError<CustErr>> {
         let server_url = get_server_url();
         let mut url = String::with_capacity(server_url.len() + path.len());
         url.push_str(server_url);
         url.push_str(path);
+        let body: &[u8] = &body;
         let body = Uint8Array::from(body).buffer();
         Ok(Self(SendWrapper::new(
             Request::post(&url)
diff --git a/server_fn/src/request/mod.rs b/server_fn/src/request/mod.rs
index b9ff889d4..785df34a5 100644
--- a/server_fn/src/request/mod.rs
+++ b/server_fn/src/request/mod.rs
@@ -45,7 +45,7 @@ where
         path: &str,
         content_type: &str,
         accepts: &str,
-        body: &[u8],
+        body: Bytes,
     ) -> Result<Self, ServerFnError<CustErr>>;
 
     /// Attempts to construct a new `POST` request with form data as the body.
diff --git a/server_fn/src/request/reqwest.rs b/server_fn/src/request/reqwest.rs
index db20f2873..012985470 100644
--- a/server_fn/src/request/reqwest.rs
+++ b/server_fn/src/request/reqwest.rs
@@ -56,14 +56,14 @@ impl<CustErr> ClientReq<CustErr> for Request {
         path: &str,
         accepts: &str,
         content_type: &str,
-        body: &[u8],
+        body: Bytes,
     ) -> Result<Self, ServerFnError<CustErr>> {
         let url = format!("{}{}", get_server_url(), path);
         CLIENT
             .post(url)
             .header(CONTENT_TYPE, content_type)
             .header(ACCEPT, accepts)
-            .body(body.to_owned())
+            .body(body)
             .build()
             .map_err(|e| ServerFnError::Request(e.to_string()))
     }