diff --git a/CHANGELOG.md b/CHANGELOG.md
index e43cd25..d0d0687 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,10 @@ All notable changes starting with v0.1.34 to this project will be documented in
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-# v0.1.57 (2022-02-07)
+# v0.1.58 (2022-02-24)
+- **changed:** reduced default upload buffer size to 1 to try to eliminate bundle verification errors.
+
+# v0.1.57 (2022-02-15)
 - **changed:** reduced max `--reward-multiplier` from 10.0 to 3.0 since Arweave transactions seemed to fail for overspend greater than that.
 - **added:** implemented `Send` and `Sync` for `Error` and [error_send](examples/error_send.rs) example.
 
diff --git a/Cargo.toml b/Cargo.toml
index fb92e1e..634afae 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "arloader"
 authors = ["calebeverett <caleb@calebeverett.io>"]
 description = "Command line application and library for uploading files to Arweave."
-version = "0.1.57"
+version = "0.1.58"
 edition = "2021"
 license = "Apache-2.0"
 repository = "https://github.com/CalebEverett/arloader"
diff --git a/src/main.rs b/src/main.rs
index 46b4234..0946207 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -519,7 +519,7 @@ fn get_app() -> App<'static, 'static> {
                 .arg(ar_default_keypair())
                 .arg(with_sol_arg().requires("sol_keypair_path"))
                 .arg(sol_keypair_path_arg())
-                .arg(buffer_arg("5"))
+                .arg(buffer_arg("1"))
                 .arg(bundle_size_arg())
                 .group(
                     ArgGroup::with_name("ar_keypair")
@@ -586,7 +586,7 @@ fn get_app() -> App<'static, 'static> {
                 .arg(ar_default_keypair())
                 .arg(with_sol_arg().requires("sol_keypair_path"))
                 .arg(sol_keypair_path_arg())
-                .arg(buffer_arg("5"))
+                .arg(buffer_arg("1"))
                 .arg(bundle_size_arg())
                 .group(
                     ArgGroup::with_name("ar_keypair")
@@ -620,7 +620,7 @@ fn get_app() -> App<'static, 'static> {
                 .arg(ar_default_keypair())
                 .arg(with_sol_arg().requires("sol_keypair_path"))
                 .arg(sol_keypair_path_arg())
-                .arg(buffer_arg("5"))
+                .arg(buffer_arg("1"))
                 .arg(bundle_size_arg())
                 .arg(link_file_arg())
                 .group(