diff --git a/aws-creds/Cargo.toml b/aws-creds/Cargo.toml
index c700a978ff..62da8b33ab 100644
--- a/aws-creds/Cargo.toml
+++ b/aws-creds/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "aws-creds"
-version = "0.29.1"
+version = "0.30.0"
 authors = ["Drazen Urch"]
 description = "Tiny Rust library for working with Amazon IAM credential,s, supports `s3` crate"
 repository = "https://github.com/durch/rust-s3"
@@ -21,9 +21,7 @@ rust-ini = "0.18"
 attohttpc = { version = "0.19", default-features = false, features = ["json"], optional = true }
 url = "2"
 serde-xml-rs = "0.5"
-serde = "1"
-serde_derive = "1"
-
+serde = { version = "1.0.137", features = ["derive"] }
 
 [features]
 default = ["native-tls"]
diff --git a/aws-creds/src/credentials.rs b/aws-creds/src/credentials.rs
index 0aa65a2041..c621288d32 100644
--- a/aws-creds/src/credentials.rs
+++ b/aws-creds/src/credentials.rs
@@ -1,6 +1,7 @@
 #![allow(dead_code)]
 use crate::error::CredentialsError;
 use ini::Ini;
+use serde::{Deserialize, Serialize};
 use serde_xml_rs as serde_xml;
 use std::collections::HashMap;
 use std::env;
@@ -61,7 +62,7 @@ use url::Url;
 /// #[cfg(feature="http-credentials")]
 /// let credentials = Credentials::new(None, None, None, None, None);
 /// ```
-#[derive(Clone, Debug, Eq, PartialEq)]
+#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
 pub struct Credentials {
     /// AWS public access key.
     pub access_key: Option<String>,
diff --git a/aws-creds/src/lib.rs b/aws-creds/src/lib.rs
index ceaae214c0..21bd9b8a97 100644
--- a/aws-creds/src/lib.rs
+++ b/aws-creds/src/lib.rs
@@ -1,9 +1,6 @@
 #![allow(unused_imports)]
 #![forbid(unsafe_code)]
 
-#[macro_use]
-extern crate serde_derive;
-
 mod credentials;
 pub use credentials::*;
 pub mod error;
diff --git a/aws-region/Cargo.toml b/aws-region/Cargo.toml
index 96625f02e1..0974352a6f 100644
--- a/aws-region/Cargo.toml
+++ b/aws-region/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "aws-region"
-version = "0.24.1"
+version = "0.25.0"
 authors = ["Drazen Urch"]
 description = "Tiny Rust library for working with Amazon AWS regions, supports `s3` crate"
 repository = "https://github.com/durch/rust-s3"
@@ -16,3 +16,4 @@ path = "src/lib.rs"
 
 [dependencies]
 thiserror = "1"
+serde = { version = "1.0.137", features = ["derive"] }
diff --git a/aws-region/src/region.rs b/aws-region/src/region.rs
index 3478b9c232..9367f4a7e1 100644
--- a/aws-region/src/region.rs
+++ b/aws-region/src/region.rs
@@ -1,5 +1,6 @@
 #![allow(dead_code)]
 
+use serde::{Deserialize, Serialize};
 use std::fmt;
 use std::str::{self, FromStr};
 
@@ -24,7 +25,7 @@ use std::str::{self, FromStr};
 /// let region = Region::Custom { region: region_name, endpoint };
 ///
 /// ```
-#[derive(Clone, Debug, Eq, PartialEq)]
+#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
 pub enum Region {
     /// us-east-1
     UsEast1,
diff --git a/s3/Cargo.toml b/s3/Cargo.toml
index a40f3a1b92..ac0e347802 100644
--- a/s3/Cargo.toml
+++ b/s3/Cargo.toml
@@ -22,9 +22,9 @@ path = "src/lib.rs"
 async-std = { version = "1", optional = true }
 async-trait = "0.1"
 attohttpc = { version = "0.19", optional = true, default-features = false }
-aws-creds = { version = "0.29", default-features = false }
+aws-creds = { version = "0.30.0", default-features = false }
 # aws-creds = { path = "../aws-creds", default-features = false }
-aws-region = "0.24"
+aws-region = "0.25.0"
 # aws-region = {path = "../aws-region"}
 base64 = "0.13"
 cfg-if = "1"