diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index caafe91..cb87f69 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
           - stable
           - beta
           - nightly
-          - 1.59.0  # MSRV
+          - 1.74.1  # MSRV
 
     steps:
       - uses: actions/checkout@v2
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2b7e1b9..4fb558a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## [0.1.3] - 2024-11-04
 
 * Update dependencies to remove security issues.
+* Increase MSRV to 1.47.1.
 
 ## [0.1.2] - 2022-06-10
 
diff --git a/Cargo.toml b/Cargo.toml
index 7f2a64d..9eaabc9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,6 +2,7 @@
 name = "prompter"
 version = "0.1.3"
 edition = "2021"
+rust-version = "1.74.1"
 authors = ["Anett Seeker"]
 license = "MIT OR Apache-2.0"
 description = "A Wordle solver in Rust"
diff --git a/README.md b/README.md
index 626132c..299831c 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 [![Documentation](https://docs.rs/prompter/badge.svg)](https://docs.rs/prompter)
 [![Continuous integration](https://github.com/noeddl/prompter/actions/workflows/ci.yml/badge.svg)](https://github.com/noeddl/prompter/actions/workflows/ci.yml)
 [![license](https://img.shields.io/crates/l/prompter)](#license)
-[![rustc](https://img.shields.io/badge/rustc-1.59+-lightgray.svg)](https://blog.rust-lang.org/2022/02/24/Rust-1.59.0.html)
+[![rustc](https://img.shields.io/badge/rustc-1.74+-lightgray.svg)](https://blog.rust-lang.org/2023/12/07/Rust-1.74.1.html)
 
 `prompter` is a command line tool that helps you choose the next word in a game of [Wordle](https://www.nytimes.com/games/wordle/index.html) - just like a promper in a theater tells the actors what to say next in case they forget.