diff --git a/Cargo.lock b/Cargo.lock
index 3a21d20..ce96021 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -37,17 +37,6 @@ dependencies = [
  "nix 0.24.3",
 ]
 
-[[package]]
-name = "atty"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
-dependencies = [
- "hermit-abi 0.1.19",
- "libc",
- "winapi",
-]
-
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -327,7 +316,6 @@ version = "8.7.0"
 dependencies = [
  "anyhow",
  "argmax",
- "atty",
  "chrono",
  "clap",
  "clap_complete",
@@ -347,7 +335,6 @@ dependencies = [
  "normpath",
  "nu-ansi-term",
  "num_cpus",
- "once_cell",
  "regex",
  "regex-syntax",
  "tempfile",
@@ -404,15 +391,6 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
 
-[[package]]
-name = "hermit-abi"
-version = "0.1.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "hermit-abi"
 version = "0.2.6"
diff --git a/Cargo.toml b/Cargo.toml
index fceaeb2..0726657 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,7 @@ readme = "README.md"
 repository = "https://github.com/sharkdp/fd"
 version = "8.7.0"
 edition= "2021"
-rust-version = "1.67.0"
+rust-version = "1.70.0"
 
 [badges.appveyor]
 repository = "sharkdp/fd"
@@ -36,7 +36,6 @@ version_check = "0.9"
 [dependencies]
 nu-ansi-term = "0.47"
 argmax = "0.3.1"
-atty = "0.2"
 ignore = "0.4.20"
 num_cpus = "1.15"
 regex = "1.7.3"
@@ -47,7 +46,6 @@ globset = "0.4"
 anyhow = "1.0"
 dirs-next = "2.0"
 normpath = "1.1.1"
-once_cell = "1.17.2"
 crossbeam-channel = "0.5.8"
 clap_complete = {version = "4.3.0", optional = true}
 faccess = "0.2.4"
diff --git a/src/dir_entry.rs b/src/dir_entry.rs
index db0a636..3a19d59 100644
--- a/src/dir_entry.rs
+++ b/src/dir_entry.rs
@@ -1,11 +1,10 @@
+use std::cell::OnceCell;
 use std::ffi::OsString;
 use std::fs::{FileType, Metadata};
 use std::path::{Path, PathBuf};
 
 use lscolors::{Colorable, LsColors, Style};
 
-use once_cell::unsync::OnceCell;
-
 use crate::config::Config;
 use crate::filesystem::strip_current_dir;
 
diff --git a/src/exec/mod.rs b/src/exec/mod.rs
index 0fa4d4c..891d764 100644
--- a/src/exec/mod.rs
+++ b/src/exec/mod.rs
@@ -9,11 +9,10 @@ use std::io;
 use std::iter;
 use std::path::{Component, Path, PathBuf, Prefix};
 use std::process::Stdio;
-use std::sync::Mutex;
+use std::sync::{Mutex, OnceLock};
 
 use anyhow::{bail, Result};
 use argmax::Command;
-use once_cell::sync::Lazy;
 use regex::Regex;
 
 use crate::exit_codes::{merge_exitcodes, ExitCode};
@@ -231,8 +230,7 @@ impl CommandTemplate {
         I: IntoIterator<Item = S>,
         S: AsRef<str>,
     {
-        static PLACEHOLDER_PATTERN: Lazy<Regex> =
-            Lazy::new(|| Regex::new(r"\{(/?\.?|//)\}").unwrap());
+        static PLACEHOLDER_PATTERN: OnceLock<Regex> = OnceLock::new();
 
         let mut args = Vec::new();
         let mut has_placeholder = false;
@@ -243,7 +241,10 @@ impl CommandTemplate {
             let mut tokens = Vec::new();
             let mut start = 0;
 
-            for placeholder in PLACEHOLDER_PATTERN.find_iter(arg) {
+            let pattern =
+                PLACEHOLDER_PATTERN.get_or_init(|| Regex::new(r"\{(/?\.?|//)\}").unwrap());
+
+            for placeholder in pattern.find_iter(arg) {
                 // Leading text before the placeholder.
                 if placeholder.start() > start {
                     tokens.push(Token::Text(arg[start..placeholder.start()].to_owned()));
diff --git a/src/filter/size.rs b/src/filter/size.rs
index 5df60ab..249e03f 100644
--- a/src/filter/size.rs
+++ b/src/filter/size.rs
@@ -1,9 +1,9 @@
+use std::sync::OnceLock;
+
 use anyhow::anyhow;
-use once_cell::sync::Lazy;
 use regex::Regex;
 
-static SIZE_CAPTURES: Lazy<Regex> =
-    Lazy::new(|| Regex::new(r"(?i)^([+-]?)(\d+)(b|[kmgt]i?b?)$").unwrap());
+static SIZE_CAPTURES: OnceLock<Regex> = OnceLock::new();
 
 #[derive(Clone, Copy, Debug, PartialEq, Eq)]
 pub enum SizeFilter {
@@ -31,11 +31,13 @@ impl SizeFilter {
     }
 
     fn parse_opt(s: &str) -> Option<Self> {
-        if !SIZE_CAPTURES.is_match(s) {
+        let pattern =
+            SIZE_CAPTURES.get_or_init(|| Regex::new(r"(?i)^([+-]?)(\d+)(b|[kmgt]i?b?)$").unwrap());
+        if !pattern.is_match(s) {
             return None;
         }
 
-        let captures = SIZE_CAPTURES.captures(s)?;
+        let captures = pattern.captures(s)?;
         let limit_kind = captures.get(1).map_or("+", |m| m.as_str());
         let quantity = captures
             .get(2)
diff --git a/src/main.rs b/src/main.rs
index eca1ad7..8c39a1e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -12,12 +12,12 @@ mod regex_helper;
 mod walk;
 
 use std::env;
+use std::io::IsTerminal;
 use std::path::Path;
 use std::sync::Arc;
 use std::time;
 
 use anyhow::{anyhow, bail, Context, Result};
-use atty::Stream;
 use clap::{CommandFactory, Parser};
 use globset::GlobBuilder;
 use lscolors::LsColors;
@@ -217,7 +217,7 @@ fn construct_config(mut opts: Opts, pattern_regexps: &[String]) -> Result<Config
     #[cfg(not(windows))]
     let ansi_colors_support = true;
 
-    let interactive_terminal = atty::is(Stream::Stdout);
+    let interactive_terminal = std::io::stdout().is_terminal();
     let colored_output = match opts.color {
         ColorWhen::Always => true,
         ColorWhen::Never => false,