diff --git a/Cargo.lock b/Cargo.lock
index d5877f7..060b31a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -52,12 +52,6 @@ version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e70cc2f62c6ce1868963827bd677764c62d07c3d9a3e1fb1177ee1a9ab199eb2"
 
-[[package]]
-name = "cfg-if"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
-
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -140,7 +134,7 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b98cf8ebf19c3d1b223e151f99a4f9f0690dca41414773390fc824184ac833e1"
 dependencies = [
- "cfg-if 1.0.0",
+ "cfg-if",
  "dirs-sys-next",
 ]
 
@@ -177,7 +171,7 @@ version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b8806dd91a06a7a403a8e596f9bfbfb34e469efbc363fc9c9713e79e26472e36"
 dependencies = [
- "cfg-if 1.0.0",
+ "cfg-if",
  "libc",
  "winapi",
 ]
@@ -194,7 +188,7 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7fcd999463524c52659517fe2cea98493cfe485d10565e7b0fb07dbba7ad2753"
 dependencies = [
- "cfg-if 1.0.0",
+ "cfg-if",
  "libc",
  "wasi",
 ]
@@ -223,18 +217,6 @@ dependencies = [
  "unindent",
 ]
 
-[[package]]
-name = "isatty"
-version = "0.1.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e31a8281fc93ec9693494da65fbf28c0c2aa60a2eaec25dc58e2f31952e95edc"
-dependencies = [
- "cfg-if 0.1.10",
- "libc",
- "redox_syscall 0.1.57",
- "winapi",
-]
-
 [[package]]
 name = "jless"
 version = "0.9.0"
@@ -242,7 +224,6 @@ dependencies = [
  "clap",
  "clipboard",
  "indoc",
- "isatty",
  "lazy_static",
  "libc",
  "libc-stdhandle",
@@ -290,7 +271,7 @@ version = "0.4.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710"
 dependencies = [
- "cfg-if 1.0.0",
+ "cfg-if",
 ]
 
 [[package]]
@@ -358,7 +339,7 @@ checksum = "e7555d6c7164cc913be1ce7f95cbecdabda61eb2ccd89008524af306fb7f5031"
 dependencies = [
  "bitflags",
  "cc",
- "cfg-if 1.0.0",
+ "cfg-if",
  "libc",
  "memoffset",
 ]
@@ -462,12 +443,6 @@ dependencies = [
  "nibble_vec",
 ]
 
-[[package]]
-name = "redox_syscall"
-version = "0.1.57"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
-
 [[package]]
 name = "redox_syscall"
 version = "0.2.6"
@@ -483,7 +458,7 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8440d8acb4fd3d277125b4bd01a6f38aee8d814b3b5fc09b3f2b825d37d3fe8f"
 dependencies = [
- "redox_syscall 0.2.6",
+ "redox_syscall",
 ]
 
 [[package]]
@@ -493,7 +468,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "528532f3d801c87aec9def2add9ca802fe569e44a544afe633765267840abe64"
 dependencies = [
  "getrandom",
- "redox_syscall 0.2.6",
+ "redox_syscall",
 ]
 
 [[package]]
@@ -520,7 +495,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "790487c3881a63489ae77126f57048b42d62d3b2bafbf37453ea19eedb6340d6"
 dependencies = [
  "bitflags",
- "cfg-if 1.0.0",
+ "cfg-if",
  "clipboard-win 4.2.1",
  "dirs-next",
  "fd-lock",
@@ -608,7 +583,7 @@ checksum = "077185e2eac69c3f8379a4298e1e07cd36beb962290d4a51199acf0fdc10607e"
 dependencies = [
  "libc",
  "numtoa",
- "redox_syscall 0.2.6",
+ "redox_syscall",
  "redox_termios",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index 5b90093..df75eaf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,6 @@ termion = "1.5.6"
 signal-hook = "0.3.8"
 libc = "0.2"
 clap = { version = "4.0", features = ["derive"] }
-isatty = "0.1"
 libc-stdhandle = "0.1.0"
 yaml-rust = "0.4"
 clipboard = "0.5"
diff --git a/src/main.rs b/src/main.rs
index 33d942f..3afe418 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -11,6 +11,7 @@ use std::fs::File;
 use std::io;
 use std::io::Read;
 use std::path::PathBuf;
+use std::io::IsTerminal;
 
 use clap::Parser;
 use termion::cursor::HideCursor;
@@ -51,7 +52,7 @@ fn main() {
 
     let data_format = determine_data_format(opt.data_format(), &input_filename);
 
-    if !isatty::stdout_isatty() {
+    if !std::io::stdout().is_terminal() {
         print_pretty_printed_input(input_string, data_format);
         std::process::exit(0);
     }
@@ -102,7 +103,7 @@ fn get_input_and_filename(opt: &Opt) -> io::Result<(String, String)> {
 
     match &opt.input {
         None => {
-            if isatty::stdin_isatty() {
+            if std::io::stdout().is_terminal() {
                 println!("Missing filename (\"jless --help\" for help)");
                 std::process::exit(1);
             }