diff --git a/Cargo.lock b/Cargo.lock
index 226da6e..62e0047 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -45,7 +45,7 @@ dependencies = [
  "hashbrown 0.15.5",
  "objc2 0.5.2",
  "objc2-app-kit",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -132,6 +132,18 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "alsa"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c88dbbce13b232b26250e1e2e6ac18b6a891a646b8148285036ebce260ac5c3"
+dependencies = [
+ "alsa-sys",
+ "bitflags 2.11.1",
+ "cfg-if",
+ "libc",
+]
+
 [[package]]
 name = "alsa-sys"
 version = "0.3.1"
@@ -440,6 +452,12 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "atomic-arena"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73e8ed45f88ed32e6827a96b62d8fd4086d72defc754c5c6bd08470c1aaf648e"
+
 [[package]]
 name = "atomic-waker"
 version = "1.1.2"
@@ -758,7 +776,7 @@ dependencies = [
  "bevy_reflect",
  "bevy_transform",
  "coreaudio-sys",
- "cpal",
+ "cpal 0.15.3",
  "rodio",
  "tracing",
 ]
@@ -2336,6 +2354,20 @@ dependencies = [
  "coreaudio-sys",
 ]
 
+[[package]]
+name = "coreaudio-rs"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1aae284fbaf7d27aa0e292f7677dfbe26503b0d555026f702940805a630eac17"
+dependencies = [
+ "bitflags 1.3.2",
+ "libc",
+ "objc2-audio-toolbox",
+ "objc2-core-audio",
+ "objc2-core-audio-types",
+ "objc2-core-foundation",
+]
+
 [[package]]
 name = "coreaudio-sys"
 version = "0.2.17"
@@ -2375,14 +2407,14 @@ version = "0.15.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "873dab07c8f743075e57f524c583985fbaf745602acbe916a01539364369a779"
 dependencies = [
- "alsa",
+ "alsa 0.9.1",
  "core-foundation-sys",
- "coreaudio-rs",
+ "coreaudio-rs 0.11.3",
  "dasp_sample",
  "jni 0.21.1",
  "js-sys",
  "libc",
- "mach2",
+ "mach2 0.4.3",
  "ndk 0.8.0",
  "ndk-context",
  "oboe",
@@ -2392,6 +2424,36 @@ dependencies = [
  "windows 0.54.0",
 ]
 
+[[package]]
+name = "cpal"
+version = "0.17.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b1f9c7312f19fc2fa12fd7acaf38de54e8320ba10d1a02dcbe21038def51ccb"
+dependencies = [
+ "alsa 0.10.0",
+ "coreaudio-rs 0.13.0",
+ "dasp_sample",
+ "jni 0.21.1",
+ "js-sys",
+ "libc",
+ "mach2 0.5.0",
+ "ndk 0.9.0",
+ "ndk-context",
+ "num-derive",
+ "num-traits",
+ "objc2 0.6.4",
+ "objc2-audio-toolbox",
+ "objc2-avf-audio",
+ "objc2-core-audio",
+ "objc2-core-audio-types",
+ "objc2-core-foundation",
+ "objc2-foundation 0.3.2",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+ "windows 0.62.2",
+]
+
 [[package]]
 name = "cpufeatures"
 version = "0.2.17"
@@ -3350,15 +3412,6 @@ dependencies = [
  "xml-rs",
 ]
 
-[[package]]
-name = "glam"
-version = "0.29.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8babf46d4c1c9d92deac9f7be466f76dfc4482b6452fc5024b5e8daf6ffeb3ee"
-dependencies = [
- "mint",
-]
-
 [[package]]
 name = "glam"
 version = "0.30.10"
@@ -3372,6 +3425,15 @@ dependencies = [
  "serde_core",
 ]
 
+[[package]]
+name = "glam"
+version = "0.32.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f70749695b063ecbf6b62949ccccde2e733ec3ecbbd71d467dca4e5c6c97cca0"
+dependencies = [
+ "mint",
+]
+
 [[package]]
 name = "glob"
 version = "0.3.3"
@@ -4244,15 +4306,16 @@ checksum = "e2db585e1d738fc771bf08a151420d3ed193d9d895a36df7f6f8a9456b911ddc"
 
 [[package]]
 name = "kira"
-version = "0.9.6"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb5a9f9dff5e262540b628b00d5e1a772270a962d6869f8695bb24832ff3b394"
+checksum = "22dc6835b2ca4b48601f11df172781f5e7677d40a6a466b1b873adcb34ec5d55"
 dependencies = [
- "cpal",
- "glam 0.29.3",
+ "atomic-arena",
+ "cpal 0.17.1",
+ "glam 0.32.1",
  "mint",
- "paste",
- "ringbuf",
+ "pastey",
+ "rtrb",
  "send_wrapper",
  "symphonia",
  "triple_buffer",
@@ -4424,6 +4487,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "mach2"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a1b95cd5421ec55b445b5ae102f5ea0e768de1f82bd3001e11f426c269c3aea"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "malloc_buf"
 version = "0.0.6"
@@ -4903,10 +4975,35 @@ dependencies = [
  "objc2 0.5.2",
  "objc2-core-data",
  "objc2-core-image",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
  "objc2-quartz-core",
 ]
 
+[[package]]
+name = "objc2-audio-toolbox"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6948501a91121d6399b79abaa33a8aa4ea7857fe019f341b8c23ad6e81b79b08"
+dependencies = [
+ "bitflags 2.11.1",
+ "libc",
+ "objc2 0.6.4",
+ "objc2-core-audio",
+ "objc2-core-audio-types",
+ "objc2-core-foundation",
+ "objc2-foundation 0.3.2",
+]
+
+[[package]]
+name = "objc2-avf-audio"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "13a380031deed8e99db00065c45937da434ca987c034e13b87e4441f9e4090be"
+dependencies = [
+ "objc2 0.6.4",
+ "objc2-foundation 0.3.2",
+]
+
 [[package]]
 name = "objc2-cloud-kit"
 version = "0.2.2"
@@ -4917,7 +5014,7 @@ dependencies = [
  "block2 0.5.1",
  "objc2 0.5.2",
  "objc2-core-location",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -4928,7 +5025,30 @@ checksum = "a5ff520e9c33812fd374d8deecef01d4a840e7b41862d849513de77e44aa4889"
 dependencies = [
  "block2 0.5.1",
  "objc2 0.5.2",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
+]
+
+[[package]]
+name = "objc2-core-audio"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1eebcea8b0dbff5f7c8504f3107c68fc061a3eb44932051c8cf8a68d969c3b2"
+dependencies = [
+ "dispatch2",
+ "objc2 0.6.4",
+ "objc2-core-audio-types",
+ "objc2-core-foundation",
+ "objc2-foundation 0.3.2",
+]
+
+[[package]]
+name = "objc2-core-audio-types"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a89f2ec274a0cf4a32642b2991e8b351a404d290da87bb6a9a9d8632490bd1c"
+dependencies = [
+ "bitflags 2.11.1",
+ "objc2 0.6.4",
 ]
 
 [[package]]
@@ -4940,7 +5060,7 @@ dependencies = [
  "bitflags 2.11.1",
  "block2 0.5.1",
  "objc2 0.5.2",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -4950,6 +5070,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a180dd8642fa45cdb7dd721cd4c11b1cadd4929ce112ebd8b9f5803cc79d536"
 dependencies = [
  "bitflags 2.11.1",
+ "block2 0.6.2",
+ "dispatch2",
+ "libc",
+ "objc2 0.6.4",
 ]
 
 [[package]]
@@ -4960,7 +5084,7 @@ checksum = "55260963a527c99f1819c4f8e3b47fe04f9650694ef348ffd2227e8196d34c80"
 dependencies = [
  "block2 0.5.1",
  "objc2 0.5.2",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
  "objc2-metal",
 ]
 
@@ -4973,7 +5097,7 @@ dependencies = [
  "block2 0.5.1",
  "objc2 0.5.2",
  "objc2-contacts",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -4995,6 +5119,19 @@ dependencies = [
  "objc2 0.5.2",
 ]
 
+[[package]]
+name = "objc2-foundation"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3e0adef53c21f888deb4fa59fc59f7eb17404926ee8a6f59f5df0fd7f9f3272"
+dependencies = [
+ "bitflags 2.11.1",
+ "block2 0.6.2",
+ "libc",
+ "objc2 0.6.4",
+ "objc2-core-foundation",
+]
+
 [[package]]
 name = "objc2-io-kit"
 version = "0.3.2"
@@ -5015,7 +5152,7 @@ dependencies = [
  "block2 0.5.1",
  "objc2 0.5.2",
  "objc2-app-kit",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -5027,7 +5164,7 @@ dependencies = [
  "bitflags 2.11.1",
  "block2 0.5.1",
  "objc2 0.5.2",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -5039,7 +5176,7 @@ dependencies = [
  "bitflags 2.11.1",
  "block2 0.5.1",
  "objc2 0.5.2",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
  "objc2-metal",
 ]
 
@@ -5050,7 +5187,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0a684efe3dec1b305badae1a28f6555f6ddd3bb2c2267896782858d5a78404dc"
 dependencies = [
  "objc2 0.5.2",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -5066,7 +5203,7 @@ dependencies = [
  "objc2-core-data",
  "objc2-core-image",
  "objc2-core-location",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
  "objc2-link-presentation",
  "objc2-quartz-core",
  "objc2-symbols",
@@ -5082,7 +5219,7 @@ checksum = "44fa5f9748dbfe1ca6c0b79ad20725a11eca7c2218bceb4b005cb1be26273bfe"
 dependencies = [
  "block2 0.5.1",
  "objc2 0.5.2",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -5095,7 +5232,7 @@ dependencies = [
  "block2 0.5.1",
  "objc2 0.5.2",
  "objc2-core-location",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
 ]
 
 [[package]]
@@ -5255,6 +5392,12 @@ version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
 
+[[package]]
+name = "pastey"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c5a797f0e07bdf071d15742978fc3128ec6c22891c31a3a931513263904c982a"
+
 [[package]]
 name = "pem-rfc7468"
 version = "0.7.0"
@@ -5868,22 +6011,13 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
-[[package]]
-name = "ringbuf"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "79abed428d1fd2a128201cec72c5f6938e2da607c6f3745f769fabea399d950a"
-dependencies = [
- "crossbeam-utils",
-]
-
 [[package]]
 name = "rodio"
 version = "0.20.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e7ceb6607dd738c99bc8cb28eff249b7cd5c8ec88b9db96c0608c1480d140fb1"
 dependencies = [
- "cpal",
+ "cpal 0.15.3",
  "lewton",
 ]
 
@@ -5927,6 +6061,12 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "rtrb"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ade083ccbb4bf536df69d1f6432cc23deb7acccff86b183f3923a6fd56a1153"
+
 [[package]]
 name = "rustc-hash"
 version = "1.1.0"
@@ -8783,7 +8923,7 @@ dependencies = [
  "ndk 0.9.0",
  "objc2 0.5.2",
  "objc2-app-kit",
- "objc2-foundation",
+ "objc2-foundation 0.2.2",
  "objc2-ui-kit",
  "orbclient",
  "percent-encoding",
diff --git a/Cargo.toml b/Cargo.toml
index 6ad9e89..9849c35 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,7 +34,7 @@ solitaire_data   = { path = "solitaire_data" }
 solitaire_engine = { path = "solitaire_engine" }
 
 bevy = "0.18"
-kira = "0.9"
+kira = "0.12"
 
 axum               = "0.8"
 sqlx               = { version = "0.8", features = ["runtime-tokio-rustls", "sqlite", "macros", "migrate"] }
diff --git a/solitaire_engine/src/audio_plugin.rs b/solitaire_engine/src/audio_plugin.rs
index 93c55c1..3387a57 100644
--- a/solitaire_engine/src/audio_plugin.rs
+++ b/solitaire_engine/src/audio_plugin.rs
@@ -23,13 +23,10 @@
 use std::io::Cursor;
 
 use bevy::prelude::*;
-use kira::manager::backend::DefaultBackend;
-use kira::manager::{AudioManager, AudioManagerSettings};
 use kira::sound::static_sound::{StaticSoundData, StaticSoundHandle};
 use kira::sound::Region;
 use kira::track::{TrackBuilder, TrackHandle};
-use kira::tween::Tween;
-use kira::Volume;
+use kira::{AudioManager, AudioManagerSettings, Decibels, DefaultBackend, Tween, Value};
 
 use crate::events::{
     CardFaceRevealedEvent, CardFlippedEvent, DrawRequestEvent, GameWonEvent, MoveRejectedEvent,
@@ -46,6 +43,16 @@ const RECYCLE_VOLUME: f64 = 0.5;
 /// Volume amplitude for the ambient music loop placeholder.
 const AMBIENT_VOLUME: f64 = 0.05;
 
+/// Converts a linear amplitude (0.0–1.0+) to the `Decibels` type used by
+/// kira 0.12. Clamps to `Decibels::SILENCE` for non-positive amplitudes.
+fn amplitude_to_decibels(amplitude: f32) -> Decibels {
+    if amplitude <= 0.0 {
+        Decibels::SILENCE
+    } else {
+        Decibels(20.0 * amplitude.log10())
+    }
+}
+
 /// Returns `true` when a `DrawRequestEvent` will recycle the waste pile back
 /// to stock rather than drawing a new card.
 ///
@@ -56,7 +63,7 @@ fn is_recycle(stock_len: usize) -> bool {
 }
 
 /// Pre-decoded sound effects. Cheap to clone (frames are an `Arc<[Frame]>`),
-/// so we hand a fresh handle to `manager.play()` on every event.
+/// so we hand a fresh handle to `track.play()` on every event.
 #[derive(Resource, Clone)]
 pub struct SoundLibrary {
     pub deal: StaticSoundData,
@@ -104,7 +111,7 @@ impl Plugin for AudioPlugin {
             warn!("failed to decode embedded SFX assets; SFX disabled");
         }
 
-        let (sfx_track, music_track) = match manager.as_mut() {
+        let (sfx_track, mut music_track) = match manager.as_mut() {
             Some(mgr) => {
                 let sfx = mgr.add_sub_track(TrackBuilder::default()).ok();
                 let music = mgr.add_sub_track(TrackBuilder::default()).ok();
@@ -116,7 +123,7 @@ impl Plugin for AudioPlugin {
         // Start the ambient loop placeholder (card_flip.wav looped at very low
         // volume through music_track).
         let ambient_handle =
-            start_ambient_loop(manager.as_mut(), library.as_ref(), &music_track);
+            start_ambient_loop(manager.as_mut(), library.as_ref(), &mut music_track);
 
         app.insert_non_send_resource(AudioState {
             manager,
@@ -190,20 +197,22 @@ fn decode(bytes: &'static [u8]) -> Option<StaticSoundData> {
 fn start_ambient_loop(
     manager: Option<&mut AudioManager<DefaultBackend>>,
     library: Option<&SoundLibrary>,
-    music_track: &Option<TrackHandle>,
+    music_track: &mut Option<TrackHandle>,
 ) -> Option<StaticSoundHandle> {
     let manager = manager?;
     let lib = library?;
 
     let mut data = lib.flip.clone();
-    // Loop the entire file from start to end.
     data.settings.loop_region = Some(Region::default());
-    data.settings.volume = Volume::Amplitude(AMBIENT_VOLUME).into();
-    if let Some(track) = music_track {
-        data.settings.output_destination = track.id().into();
-    }
+    data.settings.volume = Value::Fixed(amplitude_to_decibels(AMBIENT_VOLUME as f32));
 
-    match manager.play(data) {
+    let result = if let Some(track) = music_track.as_mut() {
+        track.play(data)
+    } else {
+        manager.play(data)
+    };
+
+    match result {
         Ok(handle) => Some(handle),
         Err(e) => {
             warn!("failed to start ambient loop: {e}");
@@ -213,16 +222,17 @@ fn start_ambient_loop(
 }
 
 fn play(audio: &mut AudioState, sound: &StaticSoundData) {
-    let Some(manager) = audio.manager.as_mut() else {
-        return;
-    };
+    let data = sound.clone();
     // Route SFX through the dedicated sfx_track so its volume is independent
     // of the music_track volume.
-    let mut data = sound.clone();
-    if let Some(track) = &audio.sfx_track {
-        data.settings.output_destination = track.id().into();
-    }
-    if let Err(e) = manager.play(data) {
+    let result = if let Some(track) = audio.sfx_track.as_mut() {
+        track.play(data)
+    } else if let Some(manager) = audio.manager.as_mut() {
+        manager.play(data)
+    } else {
+        return;
+    };
+    if let Err(e) = result {
         warn!("failed to play SFX: {e}");
     }
 }
@@ -234,15 +244,17 @@ impl AudioState {
     /// explicit volume override so callers can play sounds at a fraction of their
     /// normal level. Silently does nothing when audio is unavailable.
     pub fn play_sfx_at_volume(&mut self, sound: &StaticSoundData, volume: f64) {
-        let Some(manager) = self.manager.as_mut() else {
+        let mut data = sound.clone();
+        data.settings.volume = Value::Fixed(amplitude_to_decibels(volume as f32));
+
+        let result = if let Some(track) = self.sfx_track.as_mut() {
+            track.play(data)
+        } else if let Some(manager) = self.manager.as_mut() {
+            manager.play(data)
+        } else {
             return;
         };
-        let mut data = sound.clone();
-        data.settings.volume = Volume::Amplitude(volume).into();
-        if let Some(track) = &self.sfx_track {
-            data.settings.output_destination = track.id().into();
-        }
-        if let Err(e) = manager.play(data) {
+        if let Err(e) = result {
             warn!("failed to play SFX at volume {volume}: {e}");
         }
     }
@@ -250,13 +262,13 @@ impl AudioState {
 
 fn set_sfx_volume(audio: &mut AudioState, volume: f32) {
     if let Some(track) = audio.sfx_track.as_mut() {
-        track.set_volume(volume.clamp(0.0, 1.0) as f64, Tween::default());
+        track.set_volume(amplitude_to_decibels(volume.clamp(0.0, 1.0)), Tween::default());
     }
 }
 
 fn set_music_volume(audio: &mut AudioState, volume: f32) {
     if let Some(track) = audio.music_track.as_mut() {
-        track.set_volume(volume.clamp(0.0, 1.0) as f64, Tween::default());
+        track.set_volume(amplitude_to_decibels(volume.clamp(0.0, 1.0)), Tween::default());
     }
 }
 
@@ -345,14 +357,17 @@ fn play_on_draw(
 
         if is_recycle(stock_len) {
             let mut data = lib.flip.clone();
-            data.settings.volume = Volume::Amplitude(RECYCLE_VOLUME).into();
-            if let Some(track) = &audio.sfx_track {
-                data.settings.output_destination = track.id().into();
-            }
-            if let Some(manager) = audio.manager.as_mut() {
-                if let Err(e) = manager.play(data) {
-                    warn!("failed to play recycle SFX: {e}");
-                }
+            data.settings.volume =
+                Value::Fixed(amplitude_to_decibels(RECYCLE_VOLUME as f32));
+            let result = if let Some(track) = audio.sfx_track.as_mut() {
+                track.play(data)
+            } else if let Some(manager) = audio.manager.as_mut() {
+                manager.play(data)
+            } else {
+                continue;
+            };
+            if let Err(e) = result {
+                warn!("failed to play recycle SFX: {e}");
             }
         } else {
             play(&mut audio, &lib.flip);