diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9ba25a1..123aef0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
  - Various minor fixes to clap help
  - `zarrs_reencode`: add `--attributes-append` to re-encoding options
  - Bump `zarrs` to 0.13.0
+ - **Breaking**: Bump MSRV to 1.75
 
 ## [0.3.0] - 2024-02-22
 
diff --git a/Cargo.toml b/Cargo.toml
index 7bd516d..18837f4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ name = "zarrs_tools"
 version = "0.4.0"
 authors = ["Lachlan Deakin <ljdgit@gmail.com>"]
 edition = "2021"
-rust-version = "1.71"
+rust-version = "1.75"
 description = "Tools for creating and manipulating Zarr V3 data"
 documentation = "https://docs.rs/zarrs_tools"
 repository = "https://github.com/LDeakin/zarrs_tools"