diff --git a/Cargo.lock b/Cargo.lock
index a355f4533f..f5e412802a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -712,7 +712,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef552e6f588e446098f6ba40d89ac146c8c7b64aade83c051ee00bb5d2bc18d"
 dependencies = [
  "serde 1.0.195",
- "uuid",
+ "uuid 1.7.0",
 ]
 
 [[package]]
@@ -798,27 +798,6 @@ dependencies = [
  "subtle",
 ]
 
-[[package]]
-name = "dirs-next"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b98cf8ebf19c3d1b223e151f99a4f9f0690dca41414773390fc824184ac833e1"
-dependencies = [
- "cfg-if",
- "dirs-sys-next",
-]
-
-[[package]]
-name = "dirs-sys-next"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ebda144c4fe02d1f7ea1a7d9641b6fc6b580adcfa024ae48797ecdeb6825b4d"
-dependencies = [
- "libc",
- "redox_users",
- "winapi",
-]
-
 [[package]]
 name = "docopt"
 version = "1.1.1"
@@ -884,15 +863,6 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
-[[package]]
-name = "erased-serde"
-version = "0.3.31"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c138974f9d5e7fe373eb04df7cae98833802ae4b11c24ac7039a21d5af4b26c"
-dependencies = [
- "serde 1.0.195",
-]
-
 [[package]]
 name = "errno"
 version = "0.3.8"
@@ -1067,6 +1037,16 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "gethostname"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1ebd34e35c46e00bb73e81363248d627782724609fe1b6396f553f68fe3862e"
+dependencies = [
+ "libc",
+ "winapi",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.12"
@@ -1492,17 +1472,6 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
-[[package]]
-name = "libredox"
-version = "0.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85c833ca1e66078851dba29046874e38f08b2c883700aa29a03ddd3b23814ee8"
-dependencies = [
- "bitflags 2.4.2",
- "libc",
- "redox_syscall",
-]
-
 [[package]]
 name = "libz-sys"
 version = "1.1.14"
@@ -1566,6 +1535,15 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ffbee8634e0d45d258acb448e7eaab3fce7a0a467395d4d9f228e3c1f01fb2e4"
 
+[[package]]
+name = "matchers"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8263075bb86c5a1b1427b5ae862e8889656f126e9f77c484496e8b47cf5c5558"
+dependencies = [
+ "regex-automata 0.1.10",
+]
+
 [[package]]
 name = "matches"
 version = "0.1.10"
@@ -1708,6 +1686,16 @@ dependencies = [
  "minimal-lexical",
 ]
 
+[[package]]
+name = "nu-ansi-term"
+version = "0.46.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77a8165726e8236064dbb45459242600304b42a5ea24ee2948e18e023bf7ba84"
+dependencies = [
+ "overload",
+ "winapi",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.1.43"
@@ -1736,15 +1724,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "num_threads"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2819ce041d2ee131036f4fc9d6ae7ae125a3a40e97ba64d04fe799ad9dabbb44"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "object"
 version = "0.32.2"
@@ -1815,6 +1794,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "overload"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39"
+
 [[package]]
 name = "parking_lot"
 version = "0.12.1"
@@ -1862,6 +1847,26 @@ version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
 
+[[package]]
+name = "pin-project"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fda4ed1c6c173e3fc7a83629421152e01d7b1f9b7f65fb301e490e8cfc656422"
+dependencies = [
+ "pin-project-internal",
+]
+
+[[package]]
+name = "pin-project-internal"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4359fd9c9171ec6e8c62926d6faaf553a8dc3f64e1507e76da7911b4f6a04405"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.48",
+]
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.13"
@@ -2051,17 +2056,6 @@ dependencies = [
  "bitflags 1.3.2",
 ]
 
-[[package]]
-name = "redox_users"
-version = "0.4.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a18479200779601e498ada4e8c1e1f50e3ee19deb0259c25825a98b5603b2cb4"
-dependencies = [
- "getrandom",
- "libredox",
- "thiserror",
-]
-
 [[package]]
 name = "regex"
 version = "1.10.2"
@@ -2070,8 +2064,17 @@ checksum = "380b951a9c5e80ddfd6136919eef32310721aa4aacd4889a8d39124b026ab343"
 dependencies = [
  "aho-corasick",
  "memchr",
- "regex-automata",
- "regex-syntax",
+ "regex-automata 0.4.3",
+ "regex-syntax 0.8.2",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132"
+dependencies = [
+ "regex-syntax 0.6.29",
 ]
 
 [[package]]
@@ -2082,9 +2085,15 @@ checksum = "5f804c7828047e88b2d32e2d7fe5a105da8ee3264f01902f796c8e067dc2483f"
 dependencies = [
  "aho-corasick",
  "memchr",
- "regex-syntax",
+ "regex-syntax 0.8.2",
 ]
 
+[[package]]
+name = "regex-syntax"
+version = "0.6.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1"
+
 [[package]]
 name = "regex-syntax"
 version = "0.8.2"
@@ -2234,12 +2243,6 @@ dependencies = [
  "untrusted 0.9.0",
 ]
 
-[[package]]
-name = "rustversion"
-version = "1.0.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ffc183a10b4478d04cbbbfc96d0873219d962dd5accaff2ffbd4ceb7df837f4"
-
 [[package]]
 name = "ryu"
 version = "1.0.16"
@@ -2424,7 +2427,7 @@ dependencies = [
  "thiserror",
  "time",
  "url 2.5.0",
- "uuid",
+ "uuid 1.7.0",
 ]
 
 [[package]]
@@ -2510,6 +2513,15 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "sharded-slab"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f40ca3c46823713e0d4209592e8d6e826aa57e928f09752619fc696c499637f6"
+dependencies = [
+ "lazy_static",
+]
+
 [[package]]
 name = "shlex"
 version = "1.2.0"
@@ -2539,48 +2551,6 @@ name = "slog"
 version = "2.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8347046d4ebd943127157b94d63abb990fcf729dc4e9978927fdf4ac3c998d06"
-dependencies = [
- "erased-serde",
-]
-
-[[package]]
-name = "slog-async"
-version = "2.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72c8038f898a2c79507940990f05386455b3a317d8f18d4caea7cbc3d5096b84"
-dependencies = [
- "crossbeam-channel",
- "slog",
- "take_mut",
- "thread_local",
-]
-
-[[package]]
-name = "slog-envlogger"
-version = "2.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "906a1a0bc43fed692df4b82a5e2fbfc3733db8dad8bb514ab27a4f23ad04f5c0"
-dependencies = [
- "log",
- "regex",
- "slog",
- "slog-async",
- "slog-scope",
- "slog-stdlog",
- "slog-term",
-]
-
-[[package]]
-name = "slog-mozlog-json"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f400f1c5db96f1f52065e8931ca0c524cceb029f7537c9e6d5424488ca137ca0"
-dependencies = [
- "chrono",
- "serde 1.0.195",
- "serde_json",
- "slog",
-]
 
 [[package]]
 name = "slog-scope"
@@ -2593,30 +2563,6 @@ dependencies = [
  "slog",
 ]
 
-[[package]]
-name = "slog-stdlog"
-version = "4.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6706b2ace5bbae7291d3f8d2473e2bfab073ccd7d03670946197aec98471fa3e"
-dependencies = [
- "log",
- "slog",
- "slog-scope",
-]
-
-[[package]]
-name = "slog-term"
-version = "2.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87d29185c55b7b258b4f120eab00f48557d4d9bc814f41713f449d35b0f8977c"
-dependencies = [
- "atty",
- "slog",
- "term",
- "thread_local",
- "time",
-]
-
 [[package]]
 name = "smallvec"
 version = "1.13.0"
@@ -2734,12 +2680,7 @@ dependencies = [
  "serde_json",
  "sha2",
  "slog",
- "slog-async",
- "slog-envlogger",
- "slog-mozlog-json",
  "slog-scope",
- "slog-stdlog",
- "slog-term",
  "syncserver-common",
  "syncserver-db-common",
  "syncserver-settings",
@@ -2752,6 +2693,10 @@ dependencies = [
  "tokenserver-db",
  "tokenserver-settings",
  "tokio",
+ "tracing",
+ "tracing-actix-web-mozlog",
+ "tracing-slog",
+ "tracing-subscriber",
  "urlencoding",
  "validator",
  "validator_derive",
@@ -2900,7 +2845,7 @@ dependencies = [
  "thiserror",
  "tokio",
  "url 2.5.0",
- "uuid",
+ "uuid 1.7.0",
 ]
 
 [[package]]
@@ -2924,12 +2869,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "take_mut"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f764005d11ee5f36500a149ace24e00e3da98b0158b3e2d53a7495660d3f4d60"
-
 [[package]]
 name = "target-lexicon"
 version = "0.12.13"
@@ -2949,17 +2888,6 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
-[[package]]
-name = "term"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c59df8ac95d96ff9bede18eb7300b0fda5e5d8d90960e76f8e14ae765eedbf1f"
-dependencies = [
- "dirs-next",
- "rustversion",
- "winapi",
-]
-
 [[package]]
 name = "termcolor"
 version = "1.4.1"
@@ -3016,8 +2944,6 @@ checksum = "f657ba42c3f86e7680e53c8cd3af8abbe56b5491790b46e22e19c0d57463583e"
 dependencies = [
  "deranged",
  "itoa",
- "libc",
- "num_threads",
  "powerfmt",
  "serde 1.0.195",
  "time-core",
@@ -3204,9 +3130,70 @@ checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef"
 dependencies = [
  "log",
  "pin-project-lite",
+ "tracing-attributes",
  "tracing-core",
 ]
 
+[[package]]
+name = "tracing-actix-web"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "99bcebac55fba44eadf75a424ee403e756f9165596a613d125876388e5fb4c34"
+dependencies = [
+ "actix-web",
+ "pin-project",
+ "tracing",
+ "tracing-futures",
+ "uuid 0.8.2",
+]
+
+[[package]]
+name = "tracing-actix-web-mozlog"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ff47cd44988a34610360846743a4a1a2a318d84f2b16810d77b119a662c4634"
+dependencies = [
+ "actix-web",
+ "futures-util",
+ "gethostname",
+ "serde 1.0.195",
+ "serde_json",
+ "tracing",
+ "tracing-actix-web",
+ "tracing-bunyan-formatter",
+ "tracing-futures",
+ "tracing-subscriber",
+]
+
+[[package]]
+name = "tracing-attributes"
+version = "0.1.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.48",
+]
+
+[[package]]
+name = "tracing-bunyan-formatter"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b5c266b9ac83dedf0e0385ad78514949e6d89491269e7065bee51d2bb8ec7373"
+dependencies = [
+ "ahash",
+ "gethostname",
+ "log",
+ "serde 1.0.195",
+ "serde_json",
+ "time",
+ "tracing",
+ "tracing-core",
+ "tracing-log 0.1.4",
+ "tracing-subscriber",
+]
+
 [[package]]
 name = "tracing-core"
 version = "0.1.32"
@@ -3217,13 +3204,65 @@ dependencies = [
  "valuable",
 ]
 
+[[package]]
+name = "tracing-futures"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97d095ae15e245a057c8e8451bab9b3ee1e1f68e9ba2b4fbc18d0ac5237835f2"
+dependencies = [
+ "pin-project",
+ "tracing",
+]
+
+[[package]]
+name = "tracing-log"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f751112709b4e791d8ce53e32c4ed2d353565a795ce84da2285393f41557bdf2"
+dependencies = [
+ "log",
+ "once_cell",
+ "tracing-core",
+]
+
+[[package]]
+name = "tracing-log"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee855f1f400bd0e5c02d150ae5de3840039a3f54b025156404e34c23c03f47c3"
+dependencies = [
+ "log",
+ "once_cell",
+ "tracing-core",
+]
+
+[[package]]
+name = "tracing-slog"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ffd12d2d54fb99df994fde4e3320959e32208420bfe375a664c5d8cd894a23b"
+dependencies = [
+ "once_cell",
+ "slog",
+ "tracing-core",
+]
+
 [[package]]
 name = "tracing-subscriber"
 version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ad0f048c97dbd9faa9b7df56362b8ebcaa52adb06b498c050d2f4e32f90a7a8b"
 dependencies = [
+ "matchers",
+ "nu-ansi-term",
+ "once_cell",
+ "regex",
+ "sharded-slab",
+ "smallvec",
+ "thread_local",
+ "tracing",
  "tracing-core",
+ "tracing-log 0.2.0",
 ]
 
 [[package]]
@@ -3334,6 +3373,15 @@ version = "2.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "daf8dba3b7eb870caf1ddeed7bc9d2a049f3cfdfae7cb521b087cc33ae4c49da"
 
+[[package]]
+name = "uuid"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
+dependencies = [
+ "getrandom",
+]
+
 [[package]]
 name = "uuid"
 version = "1.7.0"
diff --git a/Cargo.toml b/Cargo.toml
index fd875a0709..4f8999cd15 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -55,13 +55,12 @@ slog = { version = "2.5", features = [
   "release_max_level_info",
   "dynamic-keys",
 ] }
-slog-async = "2.5"
-slog-envlogger = "2.2.0"
-slog-mozlog-json = "0.1"
 slog-scope = "4.3"
-slog-stdlog = "4.1"
-slog-term = "2.6"
 tokio = "1"
+tracing = "0.1.40"
+tracing-actix-web-mozlog = "0.5.0"
+tracing-slog = "0.2.0"
+tracing-subscriber = { version = "0.3.18", features = ["ansi", "env-filter", "registry", "std", "tracing-log"] }
 
 [profile.release]
 # Enables line numbers in Sentry reporting
diff --git a/syncserver/Cargo.toml b/syncserver/Cargo.toml
index 8b715057dc..1b32a330ce 100644
--- a/syncserver/Cargo.toml
+++ b/syncserver/Cargo.toml
@@ -26,12 +26,11 @@ serde_derive.workspace = true
 serde_json.workspace = true
 sha2.workspace = true
 slog.workspace = true
-slog-async.workspace = true
-slog-envlogger.workspace = true
-slog-mozlog-json.workspace = true
 slog-scope.workspace = true
-slog-stdlog.workspace = true
-slog-term.workspace = true
+tracing.workspace = true
+tracing-slog.workspace = true
+tracing-subscriber.workspace = true
+tracing-actix-web-mozlog.workspace = true
 
 actix-http = "3"
 actix-rt = "2"
diff --git a/syncserver/src/error.rs b/syncserver/src/error.rs
index fc0c53b11f..278c23c648 100644
--- a/syncserver/src/error.rs
+++ b/syncserver/src/error.rs
@@ -167,6 +167,12 @@ impl From<std::io::Error> for ApiError {
     }
 }
 
+impl From<tracing::subscriber::SetGlobalDefaultError> for ApiError {
+    fn from(_: tracing::subscriber::SetGlobalDefaultError) -> Self {
+        ApiErrorKind::Internal("Logging failed to initialize".to_string()).into()
+    }
+}
+
 impl From<ApiErrorKind> for ApiError {
     fn from(kind: ApiErrorKind) -> Self {
         let status = match &kind {
diff --git a/syncserver/src/logging.rs b/syncserver/src/logging.rs
index b182fa65f7..98cd84836f 100644
--- a/syncserver/src/logging.rs
+++ b/syncserver/src/logging.rs
@@ -1,46 +1,65 @@
-use std::io;
-
+use std::sync::Once;
 use crate::error::ApiResult;
+use slog::{self, slog_o};
+use tracing::Level;
+use tracing_actix_web_mozlog::{JsonStorageLayer, MozLogFormatLayer};
+use tracing_subscriber::{prelude::*, EnvFilter};
 
-use slog::{self, slog_o, Drain};
-use slog_mozlog_json::MozLogJson;
-
+/// Initialize logging for the main process
+///
+/// This sets the global tracing subscriber and must only be called once at startup time.
+/// Subsequent calls will panic.
 pub fn init_logging(json: bool) -> ApiResult<()> {
-    let logger = if json {
-        let hostname = hostname::get()
-            .expect("Couldn't get hostname")
-            .into_string()
-            .expect("Couldn't get hostname");
-
-        let drain = MozLogJson::new(io::stdout())
-            .logger_name(format!(
-                "{}-{}",
-                env!("CARGO_PKG_NAME"),
-                env!("CARGO_PKG_VERSION")
-            ))
-            .msg_type(format!("{}:log", env!("CARGO_PKG_NAME")))
-            .hostname(hostname)
-            .build()
-            .fuse();
-        let drain = slog_envlogger::new(drain);
-        let drain = slog_async::Async::new(drain).build().fuse();
-        slog::Logger::root(drain, slog_o!())
+    if json {
+        tracing::subscriber::set_global_default(json_subscriber())?;
     } else {
-        let decorator = slog_term::TermDecorator::new().build();
-        let drain = slog_term::FullFormat::new(decorator).build().fuse();
-        let drain = slog_envlogger::new(drain);
-        let drain = slog_async::Async::new(drain).build().fuse();
-        slog::Logger::root(drain, slog_o!())
+        tracing::subscriber::set_global_default(human_subscriber())?;
     };
-    // XXX: cancel slog_scope's NoGlobalLoggerSet for now, it's difficult to
-    // prevent it from potentially panicing during tests. reset_logging resets
-    // the global logger during shutdown anyway:
-    // https://github.com/slog-rs/slog/issues/169
-    slog_scope::set_global_logger(logger).cancel_reset();
-    slog_stdlog::init().ok();
+    init_slog_drain();
     Ok(())
 }
 
+/// Initialize logging for the tests
+///
+/// Returns a DefaultGuard that must be kept alive for the duration of the test
+pub fn init_test_logging() -> tracing::subscriber::DefaultGuard {
+    init_slog_drain();
+    tracing::subscriber::set_default(human_subscriber())
+}
+
+fn json_subscriber() -> impl tracing::Subscriber + Send + Sync + 'static {
+    tracing_subscriber::registry()
+            .with(JsonStorageLayer)
+            .with(MozLogFormatLayer::new(
+                format!("{}-{}", env!("CARGO_PKG_NAME"), env!("CARGO_PKG_VERSION")),
+                std::io::stdout,
+            ))
+            .with(EnvFilter::from_default_env())
+}
+
+fn human_subscriber() -> impl tracing::Subscriber + Send + Sync + 'static {
+    tracing_subscriber::fmt()
+            .pretty()
+            .with_ansi(true)
+            .with_max_level(Level::TRACE)
+            .with_env_filter(EnvFilter::from_default_env())
+            .finish()
+}
+
+fn init_slog_drain() {
+    static ONCE: Once = Once::new();
+
+    ONCE.call_once(|| {
+        let drain = tracing_slog::TracingSlogDrain;
+        let logger = slog::Logger::root(drain, slog_o!());
+        // XXX: cancel slog_scope's NoGlobalLoggerSet for now, it's difficult to
+        // prevent it from potentially panicing during tests. reset_logging resets
+        // the global logger during shutdown anyway:
+        // https://github.com/slog-rs/slog/issues/169
+        slog_scope::set_global_logger(logger).cancel_reset();
+    });
+}
+
 pub fn reset_logging() {
     let logger = slog::Logger::root(slog::Discard, slog_o!());
     slog_scope::set_global_logger(logger).cancel_reset();
diff --git a/syncserver/src/server/mod.rs b/syncserver/src/server/mod.rs
index 2c05999ccf..3dd971f3f0 100644
--- a/syncserver/src/server/mod.rs
+++ b/syncserver/src/server/mod.rs
@@ -72,7 +72,7 @@ pub struct Server;
 
 #[macro_export]
 macro_rules! build_app {
-    ($syncstorage_state: expr, $tokenserver_state: expr, $secrets: expr, $limits: expr, $cors: expr) => {
+    ($syncstorage_state: expr, $tokenserver_state: expr, $secrets: expr, $limits: expr, $cors: expr, $moz_log: expr) => {
         App::new()
             .configure(|cfg| {
                 cfg.app_data(Data::new($syncstorage_state));
@@ -92,6 +92,7 @@ macro_rules! build_app {
             .wrap_fn(middleware::sentry::report_error)
             .wrap_fn(middleware::rejectua::reject_user_agent)
             .wrap($cors)
+            .wrap($moz_log)
             .wrap_fn(middleware::emit_http_status_with_tokenserver_origin)
             .service(
                 web::resource(&cfg_path("/info/collections"))
@@ -293,6 +294,8 @@ impl Server {
             None
         };
 
+        let moz_log = tracing_actix_web_mozlog::MozLog::default();
+
         let mut server = HttpServer::new(move || {
             let syncstorage_state = ServerState {
                 db_pool: Box::new(db_pool.clone()),
@@ -309,7 +312,8 @@ impl Server {
                 tokenserver_state.clone(),
                 Arc::clone(&secrets),
                 limits,
-                build_cors(&settings_copy)
+                build_cors(&settings_copy),
+                moz_log.clone()
             )
         });
 
diff --git a/syncserver/src/server/test.rs b/syncserver/src/server/test.rs
index ec09879196..6647a9e987 100644
--- a/syncserver/src/server/test.rs
+++ b/syncserver/src/server/test.rs
@@ -102,6 +102,38 @@ async fn get_test_state(settings: &Settings) -> ServerState {
     }
 }
 
+/// Wrapper around an `actix_web::Service` used to run the tests.
+///
+/// It also stores the tracing subscriber guard to ensure that logging is setup while running the
+/// test.
+struct TestService<S> {
+    service: S,
+    _subscriber_guard: tracing::subscriber::DefaultGuard,
+}
+
+impl<S> TestService<S> {
+    fn new(service: S) -> Self {
+        Self {
+            service,
+            _subscriber_guard: crate::logging::init_test_logging(),
+        }
+    }
+}
+
+impl<S> std::ops::Deref for TestService<S> {
+    type Target = S;
+
+    fn deref(&self) -> &S {
+        &self.service
+    }
+}
+
+impl<S> std::ops::DerefMut for TestService<S> {
+    fn deref_mut(&mut self) -> &mut S {
+        &mut self.service
+    }
+}
+
 macro_rules! init_app {
     () => {
         async {
@@ -111,17 +143,18 @@ macro_rules! init_app {
     };
     ($settings:expr) => {
         async {
-            crate::logging::init_logging(false).unwrap();
             let limits = Arc::new($settings.syncstorage.limits.clone());
             let state = get_test_state(&$settings).await;
-            test::init_service(build_app!(
-                state,
-                None::<tokenserver::ServerState>,
-                Arc::clone(&SECRETS),
-                limits,
-                build_cors(&$settings)
-            ))
-            .await
+            TestService::new(
+                test::init_service(build_app!(
+                    state,
+                    None::<tokenserver::ServerState>,
+                    Arc::clone(&SECRETS),
+                    limits,
+                    build_cors(&$settings)
+                ))
+                .await
+            )
         }
     };
 }