diff --git a/Cargo.lock b/Cargo.lock
index a9f5c1b..2db5c70 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -300,12 +300,6 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
-[[package]]
-name = "hermit-abi"
-version = "0.5.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc0fef456e4baa96da950455cd02c081ca953b141298e41db3fc7e36b1da849c"
-
 [[package]]
 name = "ignore"
 version = "0.4.23"
@@ -384,16 +378,6 @@ dependencies = [
  "adler2",
 ]
 
-[[package]]
-name = "num_cpus"
-version = "1.17.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91df4bbde75afed763b708b7eee1e8e7651e02d97f6d5dd763e89367e957b23b"
-dependencies = [
- "hermit-abi",
- "libc",
-]
-
 [[package]]
 name = "once_cell_polyfill"
 version = "1.70.1"
@@ -460,7 +444,6 @@ dependencies = [
  "flate2",
  "ignore",
  "mimalloc",
- "num_cpus",
  "phf",
  "strum",
  "strum_macros",
diff --git a/Cargo.toml b/Cargo.toml
index cb8be98..f30b7c4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,6 @@ crossbeam = { version = "0.8.4" }
 flate2 = { version = "1.1.2" }
 ignore = { version = "0.4.23" }
 mimalloc = { version = "0.1.48" }
-num_cpus = { version = "1.17.0" }
 phf = { version = "0.13.1", features = ["macros"] }
 strum = { version = "0.27.2" }
 strum_macros = { version = "0.27.2" }
diff --git a/src/main.rs b/src/main.rs
index 1e827e2..f6fc4a1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2,6 +2,7 @@
 
 use std::path::PathBuf;
 use std::process::exit;
+use std::thread::available_parallelism;
 use std::time::{Duration, Instant};
 
 use clap::Parser;
@@ -19,10 +20,10 @@ static GLOBAL: MiMalloc = MiMalloc;
 
 fn main() {
     let args = Args::parse();
-    let threads = match args.threads {
-        0 => num_cpus::get(),
-        t => t,
-    };
+    let mut threads = args.threads;
+    if threads == 0 {
+        threads = available_parallelism().map(|v| v.get()).unwrap_or(1);
+    }
 
     let (algs, quality) = parse_compression(args.compression);