diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 91589a7..7c7fc2d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -68,8 +68,8 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        # 1.81 is the MSRV
-        rust-version: ["1.81"]
+        # 1.85 is the MSRV
+        rust-version: ["1.85"]
       fail-fast: false
     env:
       RUSTFLAGS: -D warnings
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ef76550..076453d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,10 @@
 <!-- next-header -->
 ## Unreleased - ReleaseDate
 
+### Changed
+
+- Bumped MSRV to Rust 1.85.
+
 ## [0.1.7] - 2026-05-15
 
 ### Fixed
diff --git a/Cargo.toml b/Cargo.toml
index 476d3bf..b9db269 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ members = [
 [workspace.package]
 edition = "2021"
 repository = "https://github.com/oxidecomputer/daft"
-rust-version = "1.81.0"
+rust-version = "1.85.0"
 license = "MIT OR Apache-2.0"
 keywords = ["diff", "difference", "semantic-diff", "structural-diff"]
 
diff --git a/daft-derive/README.md b/daft-derive/README.md
index 1395bce..63dd840 100644
--- a/daft-derive/README.md
+++ b/daft-derive/README.md
@@ -5,7 +5,7 @@
 ![License: MIT OR Apache-2.0](https://img.shields.io/crates/l/daft-derive.svg?)
 [![crates.io](https://img.shields.io/crates/v/daft-derive.svg?logo=rust)](https://crates.io/crates/daft-derive)
 [![docs.rs](https://img.shields.io/docsrs/daft-derive.svg?logo=docs.rs)](https://docs.rs/daft-derive)
-[![Rust: ^1.81.0](https://img.shields.io/badge/rust-^1.81.0-93450a.svg?logo=rust)](https://doc.rust-lang.org/cargo/reference/manifest.html#the-rust-version-field)
+[![Rust: ^1.85.0](https://img.shields.io/badge/rust-^1.85.0-93450a.svg?logo=rust)](https://doc.rust-lang.org/cargo/reference/manifest.html#the-rust-version-field)
 <!-- cargo-sync-rdme ]] -->
 <!-- cargo-sync-rdme rustdoc [[ -->
 Derive macro for daft (internal crate).
diff --git a/daft/README.md b/daft/README.md
index 35b6c62..f2ad57e 100644
--- a/daft/README.md
+++ b/daft/README.md
@@ -5,7 +5,7 @@
 ![License: MIT OR Apache-2.0](https://img.shields.io/crates/l/daft.svg?)
 [![crates.io](https://img.shields.io/crates/v/daft.svg?logo=rust)](https://crates.io/crates/daft)
 [![docs.rs](https://img.shields.io/docsrs/daft.svg?logo=docs.rs)](https://docs.rs/daft)
-[![Rust: ^1.81.0](https://img.shields.io/badge/rust-^1.81.0-93450a.svg?logo=rust)](https://doc.rust-lang.org/cargo/reference/manifest.html#the-rust-version-field)
+[![Rust: ^1.85.0](https://img.shields.io/badge/rust-^1.85.0-93450a.svg?logo=rust)](https://doc.rust-lang.org/cargo/reference/manifest.html#the-rust-version-field)
 <!-- cargo-sync-rdme ]] -->
 <!-- cargo-sync-rdme rustdoc [[ -->
 Daft is a library to perform semantic diffs of Rust data structures.
@@ -427,7 +427,7 @@ Implementations for third-party types, all **disabled** by default:
 
 ## Minimum supported Rust version (MSRV)
 
-The minimum supported Rust version is **1.81.0**. At any time, at least the
+The minimum supported Rust version is **1.85.0**. At any time, at least the
 last three stable versions of Rust are supported.
 
 While this crate is a pre-release (0.x.x) it may have its MSRV bumped in a
diff --git a/daft/src/lib.rs b/daft/src/lib.rs
index b17c4d4..1fc7c07 100644
--- a/daft/src/lib.rs
+++ b/daft/src/lib.rs
@@ -447,7 +447,7 @@
 //!
 //! # Minimum supported Rust version (MSRV)
 //!
-//! The minimum supported Rust version is **1.81.0**. At any time, at least the
+//! The minimum supported Rust version is **1.85.0**. At any time, at least the
 //! last three stable versions of Rust are supported.
 //!
 //! While this crate is a pre-release (0.x.x) it may have its MSRV bumped in a