diff --git a/.clippy.toml b/.clippy.toml
index 22fd4be..e90d7e3 100644
--- a/.clippy.toml
+++ b/.clippy.toml
@@ -1 +1 @@
-msrv = "1.64.0"
+msrv = "1.66.0"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 38ef58c..9586e0d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -47,12 +47,12 @@ jobs:
         continue-on-error: true
 
   msrv:
-    name: Rust 1.64.0
+    name: Rust 1.66.0
     runs-on: ubuntu-latest
     timeout-minutes: 45
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.64.0
+      - uses: dtolnay/rust-toolchain@1.66.0
       - run: cargo build
       - run: cargo build --features small
 
diff --git a/Cargo.toml b/Cargo.toml
index adf1c7f..1c0651a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ exclude = ["build.rs", "performance.png", "chart/**"]
 keywords = ["float"]
 license = "Apache-2.0 OR BSL-1.0"
 repository = "https://github.com/boa-dev/ryu-js"
-rust-version = "1.64"
+rust-version = "1.66"
 
 [features]
 # Use smaller lookup tables. Instead of storing every required power of
@@ -26,7 +26,7 @@ no-panic = { version = "0.1", optional = true }
 num_cpus = "1.8"
 rand = "0.9"
 rand_xorshift = "0.4"
-criterion = "0.5"
+criterion = "0.6"
 
 [lib]
 bench = false
diff --git a/benches/bench.rs b/benches/bench.rs
index ffd24b8..c50ee34 100644
--- a/benches/bench.rs
+++ b/benches/bench.rs
@@ -6,7 +6,8 @@
     clippy::unreadable_literal
 )]
 
-use criterion::{black_box, criterion_group, criterion_main, Criterion};
+use criterion::{criterion_group, criterion_main, Criterion};
+use std::hint::black_box;
 use std::io::Write;
 
 macro_rules! benches {