diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8af25e98..bb198cb4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
 
         include:
           # Test MSRV
-          - rust: 1.60.0
+          - rust: 1.65.0
             TARGET: x86_64-unknown-linux-gnu
 
           # Test nightly but don't fail
@@ -53,7 +53,7 @@ jobs:
 
     strategy:
       matrix:
-        rust: [stable, 1.60.0]
+        rust: [stable, 1.65.0]
         TARGET: [x86_64-apple-darwin]
 
     steps:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 925fc4f0..acc1a0c0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,9 @@ Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
 
+- Prevent underflow panics when using a `MockI2CDevice` with an offset of `0x0`
+- Bumps the MSRV to 1.65.0
+
 ## [v0.6.0] - 2023-08-03
 
 - Hide nix from the public api such that it can be updated without resulting in a breaking change.
diff --git a/README.md b/README.md
index 642e92fa..3d8ab199 100644
--- a/README.md
+++ b/README.md
@@ -54,7 +54,7 @@ cross-compile.  See <https://github.com/cross-rs/cross> for pointers.
 
 ## Minimum Supported Rust Version (MSRV)
 
-This crate is guaranteed to compile on stable Rust 1.60.0 and up. It *might*
+This crate is guaranteed to compile on stable Rust 1.65.0 and up. It *might*
 compile with older versions but that may change in any new patch release.
 
 ## License