diff --git a/Cargo.lock b/Cargo.lock
index 684aa94b..4538dce0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -794,7 +794,7 @@ dependencies = [
 
 [[package]]
 name = "iqhttp"
-version = "0.1.0"
+version = "0.2.0"
 dependencies = [
  "hyper",
  "hyper-proxy",
diff --git a/iqhttp/CHANGELOG.md b/iqhttp/CHANGELOG.md
index 6bd72a8b..4696b0b4 100644
--- a/iqhttp/CHANGELOG.md
+++ b/iqhttp/CHANGELOG.md
@@ -4,5 +4,15 @@ All notable changes to this project will be documented in this file.
 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).
 
+## 0.1.1 (2022-04-23)
+### Added
+- `HttpsClient::{add_header, headers_mut}` methods ([#981])
+
+### Changed
+- Rust 2021 edition upgrade ([#889])
+
+[#889]: https://github.com/iqlusioninc/crates/pull/889
+[#981]: https://github.com/iqlusioninc/crates/pull/981
+
 ## 0.1.0 (2021-05-10)
 - Initial release
diff --git a/iqhttp/Cargo.toml b/iqhttp/Cargo.toml
index f3cfa8e7..08effd4b 100644
--- a/iqhttp/Cargo.toml
+++ b/iqhttp/Cargo.toml
@@ -1,21 +1,18 @@
 [package]
-name = "iqhttp"
-version = "0.1.0" # Also update html_root_url in lib.rs when bumping this
+name    = "iqhttp"
+version = "0.2.0"
 description = """
 iqlusion's HTTPS toolkit. Provides a high-level wrapper around hyper, with
 built-in SSL/TLS support based on rustls.
 """
-authors = [
-    "Tony Arcieri <tony@iqlusion.io>",
-    "Shella Stephens <shella@iqlusion.io>"
-]
-homepage   = "https://github.com/iqlusioninc/crates/"
-repository = "https://github.com/iqlusioninc/crates/tree/main/iqhttp"
-license    = "Apache-2.0 OR MIT"
-categories = ["network-programming", "web-programming::http-client"]
-keywords   = ["api", "client", "http", "rest", "web"]
-readme     = "README.md"
-edition     = "2021"
+authors      = ["Tony Arcieri <tony@iqlusion.io>", "Shella Stephens <shella@iqlusion.io>"]
+homepage     = "https://github.com/iqlusioninc/crates/"
+repository   = "https://github.com/iqlusioninc/crates/tree/main/iqhttp"
+license      = "Apache-2.0 OR MIT"
+categories   = ["network-programming", "web-programming::http-client"]
+keywords     = ["api", "client", "http", "rest", "web"]
+readme       = "README.md"
+edition      = "2021"
 rust-version = "1.56"
 
 [dependencies]
diff --git a/iqhttp/README.md b/iqhttp/README.md
index eec7a3bd..5ffe7d8e 100644
--- a/iqhttp/README.md
+++ b/iqhttp/README.md
@@ -2,9 +2,9 @@
 
 [![Crate][crate-image]][crate-link]
 [![Docs][docs-image]][docs-link]
+[![Build Status][build-image]][build-link]
 [![Apache 2.0 Licensed][license-image]][license-link]
 ![MSRV][rustc-image]
-[![Build Status][build-image]][build-link]
 
 iqlusion's HTTPS toolkit. Provides a high-level wrapper around [`hyper`], with
 built-in SSL/TLS support based on [`rustls`].
@@ -13,11 +13,11 @@ built-in SSL/TLS support based on [`rustls`].
 
 ## Minimum Supported Rust Version
 
-- Rust **1.56**
+Rust **1.56**
 
 ## License
 
-Copyright © 2021 iqlusion
+Copyright © 2021-2022 iqlusion
 
 **iqhttp** is distributed under the terms of either the MIT license
 or the Apache License (Version 2.0), at your option.
@@ -33,15 +33,15 @@ without any additional terms or conditions.
 
 [//]: # (badges)
 
-[crate-image]: https://img.shields.io/crates/v/iqhttp.svg
+[crate-image]: https://img.shields.io/crates/v/iqhttp.svg?logo=rust
 [crate-link]: https://crates.io/crates/iqhttp
 [docs-image]: https://docs.rs/iqhttp/badge.svg
 [docs-link]: https://docs.rs/iqhttp/
+[build-image]: https://github.com/iqlusioninc/crates/actions/workflows/iqhttp.yml/badge.svg
+[build-link]: https://github.com/iqlusioninc/crates/actions/workflows/iqhttp.yml
 [license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg
 [license-link]: https://github.com/iqlusioninc/crates/blob/main/LICENSE
 [rustc-image]: https://img.shields.io/badge/rustc-1.56+-blue.svg
-[build-image]: https://github.com/iqlusioninc/crates/actions/workflows/iqhttp.yml/badge.svg
-[build-link]: https://github.com/iqlusioninc/crates/actions/workflows/iqhttp.yml
 
 [//]: # (general links)
 
diff --git a/iqhttp/src/lib.rs b/iqhttp/src/lib.rs
index 08c5ae62..487bae55 100644
--- a/iqhttp/src/lib.rs
+++ b/iqhttp/src/lib.rs
@@ -1,15 +1,12 @@
-//! iqlusion's HTTP toolkit.
-//!
-//! Provides a high-level wrapper around [`hyper`], with built-in SSL/TLS support
-//! based on [`rustls`].
-//!
-//! [`hyper`]: https://docs.rs/hyper
-//! [`rustls`]: https://docs.rs/rustls
-
+#![doc = include_str!("../README.md")]
 #![cfg_attr(docsrs, feature(doc_cfg))]
-#![doc(html_root_url = "https://docs.rs/iqhttp/0.1.0")]
-#![forbid(unsafe_code, clippy::unwrap_used)]
-#![warn(missing_docs, rust_2018_idioms, unused_qualifications)]
+#![forbid(unsafe_code)]
+#![warn(
+    clippy::unwrap_used,
+    missing_docs,
+    rust_2018_idioms,
+    unused_qualifications
+)]
 
 #[cfg(feature = "serde")]
 #[cfg_attr(docsrs, doc(cfg(feature = "serde")))]
diff --git a/mintscan/Cargo.toml b/mintscan/Cargo.toml
index d3ba8fe6..2c481945 100644
--- a/mintscan/Cargo.toml
+++ b/mintscan/Cargo.toml
@@ -15,7 +15,7 @@ edition = "2021"
 rust-version = "1.56"
 
 [dependencies]
-iqhttp = { version = "0.1", features = ["json"], path = "../iqhttp" }
+iqhttp = { version = "0.2", features = ["json"], path = "../iqhttp" }
 serde = { version = "1", features = ["serde_derive"] }
 tendermint = { version = "0.23", default-features = false }