diff --git a/Cargo.lock b/Cargo.lock
index 391bb96..30b5f32 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -360,15 +360,6 @@ dependencies = [
  "ratatui",
 ]
 
-[[package]]
-name = "deranged"
-version = "0.5.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ececcb659e7ba858fb4f10388c250a7252eb0a27373f1a72b8748afdd248e587"
-dependencies = [
- "powerfmt",
-]
-
 [[package]]
 name = "diff"
 version = "0.1.13"
@@ -388,11 +379,13 @@ dependencies = [
  "clap_complete",
  "crossbeam",
  "crosstermion",
+ "fern",
  "filesize",
  "gix-glob",
  "gix-path",
  "human_format",
  "itertools 0.14.0",
+ "jiff",
  "jwalk",
  "log",
  "log-panics",
@@ -403,7 +396,6 @@ dependencies = [
  "petgraph",
  "pretty_assertions",
  "ratatui",
- "simplelog",
  "trash",
  "tui-react",
  "unicode-segmentation",
@@ -423,6 +415,15 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
 
+[[package]]
+name = "fern"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4316185f709b23713e41e3195f90edef7fb00c3ed4adc79769cf09cc762a3b29"
+dependencies = [
+ "log",
+]
+
 [[package]]
 name = "filesize"
 version = "0.2.0"
@@ -658,6 +659,47 @@ version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
 
+[[package]]
+name = "jiff"
+version = "0.2.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e67e8da4c49d6d9909fe03361f9b620f58898859f5c7aded68351e85e71ecf50"
+dependencies = [
+ "jiff-static",
+ "jiff-tzdb-platform",
+ "log",
+ "portable-atomic",
+ "portable-atomic-util",
+ "serde_core",
+ "windows-sys 0.61.2",
+]
+
+[[package]]
+name = "jiff-static"
+version = "0.2.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e0c84ee7f197eca9a86c6fd6cb771e55eb991632f15f2bc3ca6ec838929e6e78"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "jiff-tzdb"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68971ebff725b9e2ca27a601c5eb38a4c5d64422c4cbab0c535f248087eda5c2"
+
+[[package]]
+name = "jiff-tzdb-platform"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "875a5a69ac2bab1a891711cf5eccbec1ce0341ea805560dcd90b7a2e925132e8"
+dependencies = [
+ "jiff-tzdb",
+]
+
 [[package]]
 name = "js-sys"
 version = "0.3.82"
@@ -745,12 +787,6 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
-[[package]]
-name = "num-conv"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf97ec579c3c42f953ef76dbf8d55ac91fb219dde70e49aa4a6b7d74e9919050"
-
 [[package]]
 name = "num-traits"
 version = "0.2.19"
@@ -770,15 +806,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "num_threads"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c7398b9c8b70908f6371f47ed36737907c87c52af34c268fed0bf0ceb92ead9"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "objc2"
 version = "0.6.3"
@@ -896,10 +923,19 @@ dependencies = [
 ]
 
 [[package]]
-name = "powerfmt"
-version = "0.2.0"
+name = "portable-atomic"
+version = "1.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
+checksum = "c33a9471896f1c69cecef8d20cbe2f7accd12527ce60845ff44c153bb2a21b49"
+
+[[package]]
+name = "portable-atomic-util"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a9db96d7fa8782dd8c15ce32ffe8680bbd1e978a43bf51a34d39483540495f5"
+dependencies = [
+ "portable-atomic",
+]
 
 [[package]]
 name = "pretty_assertions"
@@ -1073,17 +1109,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "simplelog"
-version = "0.12.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "16257adbfaef1ee58b1363bdc0664c9b8e1e30aed86049635fb5f147d065a9c0"
-dependencies = [
- "log",
- "termcolor",
- "time",
-]
-
 [[package]]
 name = "smallvec"
 version = "1.15.1"
@@ -1145,15 +1170,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "termcolor"
-version = "1.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06794f8f6c5c898b3275aebefa6b8a1cb24cd2c6c79397ab15774837a0bc5755"
-dependencies = [
- "winapi-util",
-]
-
 [[package]]
 name = "thiserror"
 version = "2.0.17"
@@ -1174,39 +1190,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "time"
-version = "0.3.47"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "743bd48c283afc0388f9b8827b976905fb217ad9e647fae3a379a9283c4def2c"
-dependencies = [
- "deranged",
- "itoa",
- "libc",
- "num-conv",
- "num_threads",
- "powerfmt",
- "serde_core",
- "time-core",
- "time-macros",
-]
-
-[[package]]
-name = "time-core"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7694e1cfe791f8d31026952abf09c69ca6f6fa4e1a1229e18988f06a04a12dca"
-
-[[package]]
-name = "time-macros"
-version = "0.2.27"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e70e4c5a0e0a8a4823ad65dfe1a6930e4f4d756dcd9dd7939022b5e8c501215"
-dependencies = [
- "num-conv",
- "time-core",
-]
-
 [[package]]
 name = "trash"
 version = "5.2.5"
@@ -1366,15 +1349,6 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
-[[package]]
-name = "winapi-util"
-version = "0.1.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
-dependencies = [
- "windows-sys 0.61.2",
-]
-
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
diff --git a/Cargo.toml b/Cargo.toml
index 760b6cc..db57547 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -58,7 +58,8 @@ once_cell = "1.19"
 gix-glob = "0.22.1"
 gix-path = "0.10.10"
 bstr = "1.8.0"
-simplelog = "0.12.1"
+fern = "0.7.1"
+jiff = "0.2.18"
 log = "0.4.20"
 log-panics = { version = "2", features = ["with-backtrace"] }
 crossbeam = "0.8"
diff --git a/src/main.rs b/src/main.rs
index 5966672..fb762e1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,8 +3,6 @@ use anyhow::Result;
 use clap::{CommandFactory as _, Parser};
 use dua::{TraversalSorting, canonicalize_ignore_dirs};
 use log::info;
-use simplelog::{Config, LevelFilter, WriteLogger};
-use std::fs::OpenOptions;
 use std::{fs, io, io::Write, path::PathBuf, process};
 
 #[cfg(feature = "tui-crossplatform")]
@@ -32,14 +30,28 @@ fn main() -> Result<()> {
 
     if let Some(log_file) = &opt.log_file {
         log_panics::init();
-        WriteLogger::init(
-            LevelFilter::Debug,
-            Config::default(),
-            OpenOptions::new()
-                .create(true)
-                .append(true)
-                .open(log_file)?,
-        )?;
+
+        let log_output = std::fs::OpenOptions::new()
+            .create(true)
+            .append(true)
+            .open(log_file)?;
+
+        fern::Dispatch::new()
+            .level(log::LevelFilter::Debug)
+            .format(|formatter_out, log_msg, log_rec| {
+                let when = jiff::Zoned::now();
+                formatter_out.finish(format_args!(
+                    "[{} {} {}:{}] {}",
+                    when.strftime("%Y-%m-%d %H:%M:%S%.3f %:z"),
+                    log_rec.level(),
+                    log_rec.file().unwrap_or("<unknown>"),
+                    log_rec.line().unwrap_or(0),
+                    log_msg
+                ))
+            })
+            .chain(log_output)
+            .apply()?;
+
         info!("dua options={opt:#?}");
     }