diff --git a/Cargo.lock b/Cargo.lock
index 196f192..ea59bcf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -175,17 +175,6 @@ dependencies = [
  "pin-project-lite",
 ]
 
-[[package]]
-name = "async-trait"
-version = "0.1.91"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae36dc4177970ef04fde5178d3e2429882def40e57a451f919c098f72baa6cec"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 3.0.3",
-]
-
 [[package]]
 name = "atomic-waker"
 version = "1.1.2"
@@ -223,14 +212,14 @@ dependencies = [
 
 [[package]]
 name = "axum"
-version = "0.7.9"
+version = "0.8.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edca88bc138befd0323b20752846e6587272d3b03b0343c8ea28a6f819e6e71f"
+checksum = "31b698c5f9a010f6573133b09e0de5408834d0c82f8d7475a89fc1867a71cd90"
 dependencies = [
- "async-trait",
  "axum-core",
  "base64 0.22.1",
  "bytes",
+ "form_urlencoded",
  "futures-util",
  "http",
  "http-body",
@@ -243,15 +232,14 @@ dependencies = [
  "mime",
  "percent-encoding",
  "pin-project-lite",
- "rustversion",
- "serde",
+ "serde_core",
  "serde_json",
  "serde_path_to_error",
  "serde_urlencoded",
  "sha1 0.10.7",
  "sync_wrapper",
  "tokio",
- "tokio-tungstenite 0.24.0",
+ "tokio-tungstenite 0.29.0",
  "tower",
  "tower-layer",
  "tower-service",
@@ -260,19 +248,17 @@ dependencies = [
 
 [[package]]
 name = "axum-core"
-version = "0.4.5"
+version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09f2bd6146b97ae3359fa0cc6d6b376d9539582c7b4220f041a33ec24c226199"
+checksum = "08c78f31d7b1291f7ee735c1c6780ccde7785daae9a9206026862dab7d8792d1"
 dependencies = [
- "async-trait",
  "bytes",
- "futures-util",
+ "futures-core",
  "http",
  "http-body",
  "http-body-util",
  "mime",
  "pin-project-lite",
- "rustversion",
  "sync_wrapper",
  "tower-layer",
  "tower-service",
@@ -1049,6 +1035,18 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "899def5c37c4fd7b2664648c28120ecec138e4d395b459e5ca34f9cce2dd77fd"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "r-efi 5.3.0",
+ "wasip2",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.4.3"
@@ -1058,7 +1056,7 @@ dependencies = [
  "cfg-if",
  "js-sys",
  "libc",
- "r-efi",
+ "r-efi 6.0.0",
  "rand_core 0.10.1",
  "wasm-bindgen",
 ]
@@ -1735,9 +1733,9 @@ dependencies = [
 
 [[package]]
 name = "matchit"
-version = "0.7.3"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e7465ac9959cc2b1404e8e2367b43684a6d13790fe23056cc8c6c5a6b7bcb94"
+checksum = "47e1ffaa40ddd1f3ed91f717a33c8c0ee23fff369e3aa8772b9605cc1d22f4c3"
 
 [[package]]
 name = "memchr"
@@ -2236,6 +2234,12 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "r-efi"
+version = "5.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
+
 [[package]]
 name = "r-efi"
 version = "6.0.0"
@@ -2244,13 +2248,12 @@ checksum = "f8dcc9c7d52a811697d2151c701e0d08956f92b0e24136cf4cf27b57a6a0d9bf"
 
 [[package]]
 name = "rand"
-version = "0.8.7"
+version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22f6172bdec972074665ed81ed53b71da00bfc44b65a753cfde883ec4c702a1a"
+checksum = "b9ef1d0d795eb7d84685bca4f72f3649f064e6641543d3a8c415898726a57b41"
 dependencies = [
- "libc",
  "rand_chacha",
- "rand_core 0.6.4",
+ "rand_core 0.9.5",
 ]
 
 [[package]]
@@ -2266,12 +2269,12 @@ dependencies = [
 
 [[package]]
 name = "rand_chacha"
-version = "0.3.1"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
 dependencies = [
  "ppv-lite86",
- "rand_core 0.6.4",
+ "rand_core 0.9.5",
 ]
 
 [[package]]
@@ -2283,6 +2286,15 @@ dependencies = [
  "getrandom 0.2.17",
 ]
 
+[[package]]
+name = "rand_core"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "76afc826de14238e6e8c374ddcc1fa19e374fd8dd986b0d2af0d02377261d83c"
+dependencies = [
+ "getrandom 0.3.4",
+]
+
 [[package]]
 name = "rand_core"
 version = "0.10.1"
@@ -2967,14 +2979,14 @@ dependencies = [
 
 [[package]]
 name = "tokio-tungstenite"
-version = "0.24.0"
+version = "0.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc5f74e248dc973e0dbb7b74c7e0d6fcc301c694ff50049504004ef4d0cdcd9"
+checksum = "8f72a05e828585856dacd553fba484c242c46e391fb0e58917c942ee9202915c"
 dependencies = [
  "futures-util",
  "log",
  "tokio",
- "tungstenite 0.24.0",
+ "tungstenite 0.29.0",
 ]
 
 [[package]]
@@ -3165,20 +3177,18 @@ checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
 
 [[package]]
 name = "tungstenite"
-version = "0.24.0"
+version = "0.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18e5b8366ee7a95b16d32197d0b2604b43a0be89dc5fac9f8e96ccafbaedda8a"
+checksum = "6c01152af293afb9c7c2a57e4b559c5620b421f6d133261c60dd2d0cdb38e6b8"
 dependencies = [
- "byteorder",
  "bytes",
  "data-encoding",
  "http",
  "httparse",
  "log",
- "rand 0.8.7",
+ "rand 0.9.5",
  "sha1 0.10.7",
- "thiserror 1.0.69",
- "utf-8",
+ "thiserror 2.0.19",
 ]
 
 [[package]]
@@ -3367,12 +3377,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "utf-8"
-version = "0.7.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
-
 [[package]]
 name = "utf8_iter"
 version = "1.0.4"
@@ -3455,6 +3459,15 @@ version = "0.11.1+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"
 
+[[package]]
+name = "wasip2"
+version = "1.0.4+wasi-0.2.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b67efb37e106e55ce722a510d6b5f9c17f083e5fc79afc2badeb12cc313d9487"
+dependencies = [
+ "wit-bindgen",
+]
+
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.126"
@@ -3742,6 +3755,12 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "wit-bindgen"
+version = "0.57.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ebf944e87a7c253233ad6766e082e3cd714b5d03812acc24c318f549614536e"
+
 [[package]]
 name = "writeable"
 version = "0.6.3"
diff --git a/Cargo.toml b/Cargo.toml
index db5589b..b083c6e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,7 +21,7 @@ clap = { version = "4", features = ["derive"] }
 
 # Async runtime / networking
 tokio = { version = "1", features = ["full"] }
-axum = { version = "0.7", features = ["ws"] }
+axum = { version = "0.8", features = ["ws"] }
 tokio-tungstenite = "0.30"
 futures-util = "0.3"
 
diff --git a/relay/src/lib.rs b/relay/src/lib.rs
index e7776fd..67c893f 100644
--- a/relay/src/lib.rs
+++ b/relay/src/lib.rs
@@ -29,9 +29,9 @@ pub fn build_app(state: Arc<AppState>) -> Router {
         .route("/v1/groups", post(routes::create_group))
         .route("/v1/invites", post(routes::create_invite))
         .route("/v1/devices", get(routes::list_devices))
-        .route("/v1/devices/:id", delete(routes::revoke_device))
+        .route("/v1/devices/{id}", delete(routes::revoke_device))
         .route(
-            "/v1/attachments/:id",
+            "/v1/attachments/{id}",
             put(routes::put_attachment).get(routes::get_attachment),
         )
         .route("/v1/sync", get(ws::ws_handler))
diff --git a/relay/src/ws.rs b/relay/src/ws.rs
index 296a3b9..ad04379 100644
--- a/relay/src/ws.rs
+++ b/relay/src/ws.rs
@@ -186,7 +186,7 @@ fn err(code: &str, message: &str) -> ServerMsg {
 }
 
 fn json(msg: ServerMsg) -> Message {
-    Message::Text(msg.to_json())
+    Message::Text(msg.to_json().into())
 }
 
 async fn send(socket: &mut WebSocket, msg: ServerMsg) -> anyhow::Result<()> {