diff --git a/Cargo.lock b/Cargo.lock
index 7dec9f43..c2d32773 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1399,6 +1399,30 @@ dependencies = [
 name = "format_table"
 version = "0.1.1"
 
+[[package]]
+name = "fundu"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2ce12752fc64f35be3d53e0a57017cd30970f0cffd73f62c791837d8845badbd"
+dependencies = [
+ "fundu-core",
+]
+
+[[package]]
+name = "fundu-core"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e463452e2d8b7600d38dcea1ed819773a57f0d710691bfc78db3961bd3f4c3ba"
+
+[[package]]
+name = "fundu-systemd"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8641ae8f534f853a552beb3a9f12cc72fd1343260964af82cf09fda66e3d94e"
+dependencies = [
+ "fundu",
+]
+
 [[package]]
 name = "futures"
 version = "0.3.32"
@@ -1502,6 +1526,7 @@ dependencies = [
  "chrono",
  "crc-fast",
  "format_table",
+ "fundu-systemd",
  "futures",
  "garage_api_admin",
  "garage_api_common",
@@ -1528,7 +1553,6 @@ dependencies = [
  "opentelemetry",
  "opentelemetry-otlp",
  "opentelemetry-prometheus",
- "parse_duration",
  "serde_json",
  "sha1 0.10.6",
  "sha2 0.10.9",
@@ -1749,7 +1773,6 @@ dependencies = [
  "garage_util",
  "hex",
  "http 1.4.0",
- "parse_duration",
  "rand 0.9.4",
  "serde",
  "serde_bytes",
@@ -1849,6 +1872,8 @@ dependencies = [
  "blake2",
  "bytesize",
  "chrono",
+ "fundu",
+ "fundu-systemd",
  "futures",
  "garage_db",
  "garage_net",
@@ -3223,41 +3248,6 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
-[[package]]
-name = "num"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8536030f9fea7127f841b45bb6243b27255787fb4eb83958aa1ef9d2fdc0c36"
-dependencies = [
- "num-bigint",
- "num-complex",
- "num-integer",
- "num-iter",
- "num-rational",
- "num-traits",
-]
-
-[[package]]
-name = "num-bigint"
-version = "0.2.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "090c7f9998ee0ff65aa5b723e4009f7b217707f1fb5ea551329cc4d6231fb304"
-dependencies = [
- "autocfg",
- "num-integer",
- "num-traits",
-]
-
-[[package]]
-name = "num-complex"
-version = "0.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6b19411a9719e753aff12e5187b74d60d3dc449ec3f4dc21e3989c3f554bc95"
-dependencies = [
- "autocfg",
- "num-traits",
-]
-
 [[package]]
 name = "num-conv"
 version = "0.2.1"
@@ -3273,29 +3263,6 @@ dependencies = [
  "num-traits",
 ]
 
-[[package]]
-name = "num-iter"
-version = "0.1.45"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1429034a0490724d0075ebb2bc9e875d6503c3cf69e235a8941aa757d83ef5bf"
-dependencies = [
- "autocfg",
- "num-integer",
- "num-traits",
-]
-
-[[package]]
-name = "num-rational"
-version = "0.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c000134b5dbf44adc5cb772486d335293351644b801551abe8f75c84cfa4aef"
-dependencies = [
- "autocfg",
- "num-bigint",
- "num-integer",
- "num-traits",
-]
-
 [[package]]
 name = "num-traits"
 version = "0.2.19"
@@ -3464,17 +3431,6 @@ dependencies = [
  "windows-link",
 ]
 
-[[package]]
-name = "parse_duration"
-version = "2.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7037e5e93e0172a5a96874380bf73bc6ecef022e26fa25f2be26864d6b3ba95d"
-dependencies = [
- "lazy_static",
- "num",
- "regex",
-]
-
 [[package]]
 name = "password-hash"
 version = "0.5.0"
diff --git a/Cargo.toml b/Cargo.toml
index 46477179..704f0264 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -53,6 +53,8 @@ cfg-if = "1.0"
 chrono = { version = "0.4", features = ["serde"] }
 crc-fast = "1.9"
 crypto-common = "0.1"
+fundu = "2.0"
+fundu-systemd = "0.3"
 gethostname = "1.1"
 git-version = "0.3"
 hex = "0.4"
@@ -68,7 +70,6 @@ mktemp = "0.5"
 nix = { version = "0.31", default-features = false, features = ["fs"] }
 nom = "8.0"
 parking_lot = "0.12"
-parse_duration = "2.1"
 paste = "1.0"
 pin-project = "1.1"
 pnet_datalink = "0.35"
diff --git a/doc/book/reference-manual/configuration.md b/doc/book/reference-manual/configuration.md
index 312afed0..d5c60b10 100644
--- a/doc/book/reference-manual/configuration.md
+++ b/doc/book/reference-manual/configuration.md
@@ -448,7 +448,7 @@ If this value is set, Garage will automatically take a snapshot of the metadata
 DB file at a regular interval and save it in the metadata directory,
 or in [`metadata_snapshots_dir`](#metadata_snapshots_dir) if it is set.
 This parameter can take any duration string that can be parsed by
-the [`parse_duration`](https://docs.rs/parse_duration/latest/parse_duration/#syntax) crate.
+the [`fundu_systemd`](https://docs.rs/fundu-systemd) crate.
 
 Snapshots can allow to recover from situations where the metadata DB file is
 corrupted, for instance after an unclean shutdown.  See [this
diff --git a/src/garage/Cargo.toml b/src/garage/Cargo.toml
index 0c7eb89b..ceeeee5e 100644
--- a/src/garage/Cargo.toml
+++ b/src/garage/Cargo.toml
@@ -39,8 +39,8 @@ backtrace.workspace = true
 bytes.workspace = true
 bytesize.workspace = true
 chrono.workspace = true
+fundu-systemd.workspace = true
 timeago.workspace = true
-parse_duration.workspace = true
 hex.workspace = true
 tracing.workspace = true
 tracing-subscriber.workspace = true
diff --git a/src/garage/cli/remote/bucket.rs b/src/garage/cli/remote/bucket.rs
index edfeaca5..314ea041 100644
--- a/src/garage/cli/remote/bucket.rs
+++ b/src/garage/cli/remote/bucket.rs
@@ -393,7 +393,7 @@ impl Cli {
 		&self,
 		opt: CleanupIncompleteUploadsOpt,
 	) -> Result<(), Error> {
-		let older_than = parse_duration::parse::parse(&opt.older_than)
+		let older_than = garage_util::time::parse_duration(&opt.older_than)
 			.ok_or_message("Invalid duration passed for --older-than parameter")?;
 
 		for b in opt.buckets.iter() {
diff --git a/src/garage/cli/remote/mod.rs b/src/garage/cli/remote/mod.rs
index a30b5c1a..3d88abf1 100644
--- a/src/garage/cli/remote/mod.rs
+++ b/src/garage/cli/remote/mod.rs
@@ -169,7 +169,7 @@ pub fn table_list_abbr<T: IntoIterator<Item = S>, S: AsRef<str>>(values: T) -> S
 pub fn parse_expires_in(expires_in: &Option<String>) -> Result<Option<DateTime<Utc>>, Error> {
 	expires_in
 		.as_ref()
-		.map(|x| parse_duration::parse::parse(x).map(|dur| Utc::now() + dur))
+		.map(|x| garage_util::time::parse_duration(x).map(|dur| Utc::now() + dur))
 		.transpose()
 		.ok_or_message("Invalid duration passed for --expires-in parameter")
 }
diff --git a/src/garage/cli/structs.rs b/src/garage/cli/structs.rs
index 368581cb..a96aa03f 100644
--- a/src/garage/cli/structs.rs
+++ b/src/garage/cli/structs.rs
@@ -494,7 +494,7 @@ pub struct KeyNewOpt {
 	#[structopt(default_value = "Unnamed key")]
 	pub name: String,
 	/// Set an expiration time for the access key
-	/// (see `docs.rs/parse_duration` for date format)
+	/// (see `docs.rs/fundu-systemd` for date format)
 	#[structopt(long = "expires-in")]
 	pub expires_in: Option<String>,
 }
@@ -505,7 +505,7 @@ pub struct KeySetOpt {
 	pub key_pattern: String,
 
 	/// Set an expiration time for the access key
-	/// (see `docs.rs/parse_duration` for date format)
+	/// (see `docs.rs/fundu-systemd` for date format)
 	#[structopt(long = "expires-in")]
 	pub expires_in: Option<String>,
 	/// Set the access key to never expire
@@ -616,7 +616,7 @@ pub enum AdminTokenOperation {
 pub struct AdminTokenCreateOp {
 	/// Set a name for the token
 	pub name: Option<String>,
-	/// Set an expiration time for the token (see `docs.rs/parse_duration` for date
+	/// Set an expiration time for the token (see `docs.rs/fundu-systemd` for date
 	/// format)
 	#[structopt(long = "expires-in")]
 	pub expires_in: Option<String>,
@@ -638,7 +638,7 @@ pub struct AdminTokenSetOp {
 	/// Name or prefix of the ID of the token to modify
 	pub api_token: String,
 
-	/// Set an expiration time for the token (see `docs.rs/parse_duration` for date
+	/// Set an expiration time for the token (see `docs.rs/fundu-systemd` for date
 	/// format)
 	#[structopt(long = "expires-in")]
 	pub expires_in: Option<String>,
diff --git a/src/model/Cargo.toml b/src/model/Cargo.toml
index bb3d9aac..8b789125 100644
--- a/src/model/Cargo.toml
+++ b/src/model/Cargo.toml
@@ -30,7 +30,6 @@ thiserror.workspace = true
 hex.workspace = true
 http.workspace = true
 base64.workspace = true
-parse_duration.workspace = true
 tracing.workspace = true
 rand.workspace = true
 zstd.workspace = true
diff --git a/src/model/garage.rs b/src/model/garage.rs
index 4ba11bc5..9f88fa87 100644
--- a/src/model/garage.rs
+++ b/src/model/garage.rs
@@ -304,7 +304,7 @@ impl Garage {
 		self.k2v.spawn_workers(bg);
 
 		if let Some(itv) = self.config.metadata_auto_snapshot_interval.as_deref() {
-			let interval = parse_duration::parse(itv)
+			let interval = garage_util::time::parse_duration(itv)
 				.ok_or_message("Invalid `metadata_auto_snapshot_interval`")?;
 			if interval < std::time::Duration::from_secs(600) {
 				return Err(Error::Message(
diff --git a/src/util/Cargo.toml b/src/util/Cargo.toml
index 37799fd7..11e5a40e 100644
--- a/src/util/Cargo.toml
+++ b/src/util/Cargo.toml
@@ -22,6 +22,8 @@ arc-swap.workspace = true
 async-trait.workspace = true
 blake2.workspace = true
 bytesize.workspace = true
+fundu.workspace = true
+fundu-systemd.workspace = true
 thiserror.workspace = true
 hexdump.workspace = true
 xxhash-rust.workspace = true
diff --git a/src/util/time.rs b/src/util/time.rs
index 42f41a44..16c98e14 100644
--- a/src/util/time.rs
+++ b/src/util/time.rs
@@ -1,6 +1,9 @@
 //! Module containing helper functions to manipulate time
 use chrono::{SecondsFormat, TimeZone, Utc};
-use std::time::{SystemTime, UNIX_EPOCH};
+use std::convert::TryInto;
+use std::time::{Duration, SystemTime, UNIX_EPOCH};
+
+use crate::error::Error;
 
 /// Returns milliseconds since UNIX Epoch
 pub fn now_msec() -> u64 {
@@ -28,3 +31,13 @@ pub fn msec_to_rfc3339(msecs: u64) -> String {
 	let timestamp = Utc.timestamp_opt(secs, nanos).unwrap();
 	timestamp.to_rfc3339_opts(SecondsFormat::Millis, true)
 }
+
+/// Parse a systemd-style duration using fundu
+pub fn parse_duration(s: &str) -> Result<Duration, Error> {
+	fundu_systemd::parse(s, Some(fundu::TimeUnit::Second), None)
+		.map_err(|err| Error::Message(err.to_string()))
+		.and_then(|dur| {
+			dur.try_into()
+				.map_err(|err: fundu::TryFromDurationError| Error::Message(err.to_string()))
+		})
+}