diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 89d938a..4845be1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,14 +8,15 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.60.0
-          - 1.61.0
-          - 1.62.1
-          - 1.63.0
-          - 1.64.0
-          - 1.65.0
           - 1.66.1
           - 1.67.1
+          - 1.68.2
+          - 1.69.0
+          - 1.70.0
+          - 1.71.1
+          - 1.72.1
+          - 1.73.0
+          - 1.74.1
           - stable
           - beta
           - nightly
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2b1f9ae..65b6b3c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ 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).
 
 
+## [Unreleased] - ReleaseDate
+
+### Changed
+- The minimal required Rust version is now Rust 1.66.
+
+
 ## [0.16.0] - 2023-04-22
 
 ### Changed
diff --git a/Cargo.toml b/Cargo.toml
index 959d041..5c660e0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ name = "libreauth"
 version = "0.16.0"
 authors = ["Rodolphe Breard <rodolphe@what.tf>"]
 edition = "2021"
-rust-version = "1.60"
+rust-version = "1.66"
 description = "Collection of tools for user authentication."
 documentation = "https://docs.rs/libreauth/"
 readme = "README.md"
diff --git a/README.md b/README.md
index 5607b99..b8121c1 100644
--- a/README.md
+++ b/README.md
@@ -80,7 +80,7 @@ features = ["key", "oath", "pass"]
 
 ## Using outside Rust
 
-In order to build LibreAuth, you will need the [Rust](https://www.rust-lang.org/) compiler and its package manager, Cargo. The minimal required Rust version is 1.60, although it is recommended to use the latest stable one.
+In order to build LibreAuth, you will need the [Rust](https://www.rust-lang.org/) compiler and its package manager, Cargo. The minimum supported Rust version (MSRV) is 1.66, although it is recommended to use the latest stable one.
 
 ```ShellSession
 $ make