diff --git a/Cargo.lock b/Cargo.lock
index 174ad4b..6f40148 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -360,9 +360,9 @@ checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
 
 [[package]]
 name = "hermit-abi"
-version = "0.3.3"
+version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d77f7ec81a6d05a3abb01ab6eb7590f6083d08449fe5a1c8b1e620283546ccb7"
+checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
 
 [[package]]
 name = "http"
@@ -554,9 +554,9 @@ dependencies = [
 
 [[package]]
 name = "lazy_static"
-version = "1.4.0"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
 
 [[package]]
 name = "libc"
@@ -619,13 +619,14 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.8.10"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f3d0b296e374a4e6f3c7b0a1f5a51d748a0d34c85e7dc48fc3fa9a87657fe09"
+checksum = "4569e456d394deccd22ce1c1913e6ea0e54519f577285001215d33557431afe4"
 dependencies = [
+ "hermit-abi",
  "libc",
  "wasi",
- "windows-sys 0.48.0",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -661,16 +662,6 @@ dependencies = [
  "autocfg",
 ]
 
-[[package]]
-name = "num_cpus"
-version = "1.16.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4161fcb6d602d4d2081af7c3a45852d875a03dd337a6bfdd6e06407b61342a43"
-dependencies = [
- "hermit-abi",
- "libc",
-]
-
 [[package]]
 name = "object"
 version = "0.32.1"
@@ -1024,18 +1015,18 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.203"
+version = "1.0.204"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7253ab4de971e72fb7be983802300c30b5a7f0c2e56fab8abfc6a214307c0094"
+checksum = "bc76f558e0cbb2a839d37354c575f1dc3fdc6546b5be373ba43d95f231bf7c12"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.203"
+version = "1.0.204"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "500cbc0ebeb6f46627f50f3f5811ccf6bf00643be300b4c3eabc0ef55dc5b5ba"
+checksum = "e0cd7e117be63d3c3678776753929474f3b04a43a080c744d6b0ae2a8c28e222"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1044,11 +1035,12 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.117"
+version = "1.0.121"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "455182ea6142b14f93f4bc5320a2b31c1f266b66a4a5c858b013302a5d8cbfc3"
+checksum = "4ab380d7d9f22ef3f21ad3e6c1ebe8e4fc7a2000ccba2e4d71fc96f15b2cb609"
 dependencies = [
  "itoa",
+ "memchr",
  "ryu",
  "serde",
 ]
@@ -1331,28 +1323,27 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.38.0"
+version = "1.39.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba4f4a02a7a80d6f274636f0aa95c7e383b912d41fe721a31f29e29698585a4a"
+checksum = "daa4fb1bc778bd6f04cbfc4bb2d06a7396a8f299dc33ea1900cedaa316f467b1"
 dependencies = [
  "backtrace",
  "bytes",
  "libc",
  "mio",
- "num_cpus",
  "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",
  "socket2",
  "tokio-macros",
- "windows-sys 0.48.0",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
 name = "tokio-macros"
-version = "2.3.0"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f5ae998a069d4b5aba8ee9dad856af7d520c3699e6159b185c2acd48155d39a"
+checksum = "693d596312e88961bc67d7f1f97af8a70227d9f90c31bba5806eec004978d752"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/src/main.rs b/src/main.rs
index 6185cd1..b277777 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -31,7 +31,7 @@ struct Document {
     created_date: Option<String>,
     modified: String,
     added: String,
-    archive_serial_number: Option<String>,
+    archive_serial_number: Option<u32>,
     original_file_name: Option<String>,
     archived_file_name: Option<String>,
     owner: Option<u32>,
diff --git a/src/paperless.rs b/src/paperless.rs
index 24f265c..c1632a7 100644
--- a/src/paperless.rs
+++ b/src/paperless.rs
@@ -2,7 +2,7 @@ use std::collections::HashMap;
 use std::fmt;
 use reqwest::Client;
 use serde::de::StdError;
-use serde_json::Value;
+use serde_json::{Map, Value};
 use crate::{CustomField, Document, Field, Mode, Response};
 use serde::{Deserialize, Serialize};
 
@@ -171,7 +171,8 @@ pub async fn update_document_fields(
     }
     let url = format!("{}/api/documents/{}/", base_url, document_id);
     slog_scope::info!("Updating document with ID: {}", document_id);
-    slog_scope::debug!("Request Payload: {}", "");
+    slog_scope::debug!("Request Payload: {}", map_to_string(&payload));
+    
     for (key, value) in &payload {
         slog_scope::debug!("{}: {}", key, value);
     }
@@ -240,5 +241,10 @@ pub async fn create_custom_field(
         }
     }
 }
-
+fn map_to_string(map: &Map<String, Value>) -> String {
+    map.iter()
+        .map(|(key, value)| format!("{}: {}", key, value))
+        .collect::<Vec<String>>()
+        .join(", ")
+}