diff --git a/musicdb-client/Cargo.toml b/musicdb-client/Cargo.toml
index e7aaf3d..cedcd23 100644
--- a/musicdb-client/Cargo.toml
+++ b/musicdb-client/Cargo.toml
@@ -7,11 +7,11 @@ edition = "2021"
 
 [dependencies]
 musicdb-lib = { path = "../musicdb-lib", default-features = false }
-clap = { version = "4.4.6", features = ["derive"] }
-directories = "5.0.1"
-regex = "1.9.3"
-speedy2d = { version = "1.12.0", optional = true }
-toml = "0.7.6"
+clap = { version = "4.5.45", features = ["derive"] }
+directories = "6.0.0"
+regex = "1.11.1"
+speedy2d = { version = "2.1.0", optional = true }
+toml = "0.9.5"
 # musicdb-mers = { version = "0.1.0", path = "../musicdb-mers", optional = true }
 uianimator = "0.1.1"
 
@@ -27,7 +27,9 @@ default = ["gui", "default-playback"]
 #   enables syncplayer modes, where the client mirrors the server's playback
 gui = ["speedy2d"]
 # merscfg = ["mers", "gui"]
+merscfg = []
 # mers = ["musicdb-mers"]
+mers = []
 playback = []
 default-playback = ["playback", "musicdb-lib/default-playback"]
 playback-via-playback-rs = ["playback", "musicdb-lib/playback-via-playback-rs"]
diff --git a/musicdb-client/src/gui_text.rs b/musicdb-client/src/gui_text.rs
index 1b2a5b0..0a293e5 100755
--- a/musicdb-client/src/gui_text.rs
+++ b/musicdb-client/src/gui_text.rs
@@ -1,4 +1,4 @@
-use std::{fmt::Display, rc::Rc, sync::Arc};
+use std::{fmt::Display, sync::Arc};
 
 use musicdb_lib::data::CoverId;
 use speedy2d::{
@@ -30,7 +30,7 @@ pub struct Content {
     text: String,
     color: Color,
     background: Option<Color>,
-    formatted: Option<Rc<FormattedTextBlock>>,
+    formatted: Option<FormattedTextBlock>,
 }
 
 #[allow(unused)]
diff --git a/musicdb-client/src/main.rs b/musicdb-client/src/main.rs
index ef8610e..129e729 100755
--- a/musicdb-client/src/main.rs
+++ b/musicdb-client/src/main.rs
@@ -1,4 +1,5 @@
-// #![allow(unused)]
+#![allow(dead_code)]
+#![allow(unused_variables)]
 
 use std::{
     io::{BufReader, Write},
@@ -146,7 +147,6 @@ fn main() {
                     | Mode::GuiSyncplayerNetwork
             );
             #[cfg(feature = "playback")]
-            #[allow(unused)]
             let mut cache_manager = None;
             #[cfg(feature = "playback")]
             let mut player = if is_syncplayer {
@@ -160,6 +160,12 @@ fn main() {
             } else {
                 None
             };
+            // prevent unused assignment warning, we might
+            // need cache manager at some point -_-
+            #[cfg(feature = "playback")]
+            if false {
+                drop(cache_manager);
+            }
             #[allow(unused_labels)]
             'ifstatementworkaround: {
                 // use if+break instead of if-else because we can't #[cfg(feature)] the if statement,
diff --git a/musicdb-filldb/Cargo.toml b/musicdb-filldb/Cargo.toml
index 9a9da6d..0d982ca 100755
--- a/musicdb-filldb/Cargo.toml
+++ b/musicdb-filldb/Cargo.toml
@@ -6,6 +6,6 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-id3 = "1.16.0"
+id3 = "1.16.3"
 mp3-duration = "0.1.10"
 musicdb-lib = { version = "0.1.0", path = "../musicdb-lib" }
diff --git a/musicdb-lib/Cargo.toml b/musicdb-lib/Cargo.toml
index 9684195..ee58f3d 100644
--- a/musicdb-lib/Cargo.toml
+++ b/musicdb-lib/Cargo.toml
@@ -7,10 +7,10 @@ edition = "2021"
 base64 = "0.22.1"
 colorize = "0.1.0"
 playback-rs = { version = "0.4.4", optional = true }
-rand = "0.8.5"
+rand = "0.9.2"
 rc-u8-reader = "2.0.16"
-rodio = { version = "0.20.1", optional = true }
-sysinfo = "0.30.12"
+rodio = { version = "0.21.1", optional = true }
+sysinfo = "0.37.0"
 
 [features]
 default = []
diff --git a/musicdb-lib/src/data/cache_manager.rs b/musicdb-lib/src/data/cache_manager.rs
index 8c11199..802382a 100644
--- a/musicdb-lib/src/data/cache_manager.rs
+++ b/musicdb-lib/src/data/cache_manager.rs
@@ -39,8 +39,8 @@ impl CacheManager {
                 let sleep_dur_long = Duration::from_secs(20);
                 let sleep_dur_short = Duration::from_secs(1);
                 let mut si = sysinfo::System::new_with_specifics(
-                    sysinfo::RefreshKind::new()
-                        .with_memory(sysinfo::MemoryRefreshKind::new().with_ram()),
+                    sysinfo::RefreshKind::nothing()
+                        .with_memory(sysinfo::MemoryRefreshKind::nothing().with_ram()),
                 );
                 eprintln!("[{}] Starting CacheManager", "INFO".cyan());
                 let mut sleep_short = true;
@@ -54,7 +54,7 @@ impl CacheManager {
                     });
                     sleep_short = false;
                     // memory stuff
-                    si.refresh_memory_specifics(sysinfo::MemoryRefreshKind::new().with_ram());
+                    si.refresh_memory_specifics(sysinfo::MemoryRefreshKind::nothing().with_ram());
                     let available_memory = si.available_memory();
                     let min_avail_mem = min_avail_mem.load(std::sync::atomic::Ordering::Relaxed);
                     let low_memory = available_memory < min_avail_mem;
diff --git a/musicdb-lib/src/data/database.rs b/musicdb-lib/src/data/database.rs
index e3fb51f..7bc0bc9 100755
--- a/musicdb-lib/src/data/database.rs
+++ b/musicdb-lib/src/data/database.rs
@@ -9,7 +9,7 @@ use std::{
 };
 
 use colorize::AnsiColor;
-use rand::thread_rng;
+use rand::rng;
 
 use crate::{
     load::ToFromBytes,
@@ -690,7 +690,7 @@ impl Database {
                         }) = elem.content_mut()
                         {
                             let mut ord: Vec<usize> = (0..content.len()).collect();
-                            ord.shuffle(&mut thread_rng());
+                            ord.shuffle(&mut rng());
                             self.apply_action_unchecked_seq(
                                 Action::QueueSetShuffle(path, ord, set_index),
                                 client,
diff --git a/musicdb-lib/src/data/queue.rs b/musicdb-lib/src/data/queue.rs
index 71b1b19..1c6968c 100755
--- a/musicdb-lib/src/data/queue.rs
+++ b/musicdb-lib/src/data/queue.rs
@@ -418,7 +418,7 @@ impl Queue {
 }
 
 impl QueueFolder {
-    pub fn iter(&self) -> QueueFolderIter {
+    pub fn iter(&self) -> QueueFolderIter<'_> {
         QueueFolderIter {
             folder: self,
             index: 0,
diff --git a/musicdb-lib/src/player/rodio.rs b/musicdb-lib/src/player/rodio.rs
index b06bce2..867b328 100644
--- a/musicdb-lib/src/player/rodio.rs
+++ b/musicdb-lib/src/player/rodio.rs
@@ -1,7 +1,7 @@
 use std::{ffi::OsStr, sync::Arc};
 
 use rc_u8_reader::ArcU8Reader;
-use rodio::{decoder::DecoderError, Decoder, OutputStream, OutputStreamHandle, Sink, Source};
+use rodio::{decoder::DecoderError, Decoder, OutputStream, Sink, Source};
 
 use crate::{
     data::{song::Song, SongId},
@@ -13,8 +13,6 @@ use super::PlayerBackend;
 pub struct PlayerBackendRodio<T> {
     #[allow(unused)]
     output_stream: OutputStream,
-    #[allow(unused)]
-    output_stream_handle: OutputStreamHandle,
     sink: Sink,
     stopped: bool,
     current: Option<(SongId, Arc<Vec<u8>>, Option<u128>, T)>,
@@ -34,11 +32,11 @@ impl<T> PlayerBackendRodio<T> {
     pub fn new_with_optional_command_sending(
         command_sender: Option<std::sync::mpsc::Sender<(Command, Option<u64>)>>,
     ) -> Result<Self, Box<dyn std::error::Error>> {
-        let (output_stream, output_stream_handle) = rodio::OutputStream::try_default()?;
-        let sink = Sink::try_new(&output_stream_handle)?;
+        let output_stream =
+            rodio::OutputStreamBuilder::from_default_device()?.open_stream_or_fallback()?;
+        let sink = Sink::connect_new(&output_stream.mixer());
         Ok(Self {
             output_stream,
-            output_stream_handle,
             sink,
             stopped: true,
             current: None,
diff --git a/musicdb-lib/src/server/mod.rs b/musicdb-lib/src/server/mod.rs
index a8cfcd0..f018595 100755
--- a/musicdb-lib/src/server/mod.rs
+++ b/musicdb-lib/src/server/mod.rs
@@ -437,7 +437,7 @@ pub fn run_server_caching_thread_opt(
 pub fn handle_one_connection_as_main(
     db: Arc<Mutex<Database>>,
     connection: &mut impl Read,
-    mut send_to: (impl Write + Sync + Send + 'static),
+    mut send_to: impl Write + Sync + Send + 'static,
     command_sender: &mpsc::Sender<(Command, Option<u64>)>,
 ) -> Result<(), std::io::Error> {
     // sync database
diff --git a/musicdb-server/Cargo.toml b/musicdb-server/Cargo.toml
index 3f197dc..f94e099 100644
--- a/musicdb-server/Cargo.toml
+++ b/musicdb-server/Cargo.toml
@@ -7,12 +7,12 @@ edition = "2021"
 
 [dependencies]
 musicdb-lib = { path = "../musicdb-lib" }
-clap = { version = "4.4.6", features = ["derive"] }
-headers = "0.3.8"
+clap = { version = "4.5.45", features = ["derive"] }
+headers = "0.4.1"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-tokio = { version = "1.37.0", optional = true, features = ["rt"] }
-rocket = { version = "0.5.0", optional = true }
+tokio = { version = "1.47.1", optional = true, features = ["rt"] }
+rocket = { version = "0.5.1", optional = true }
 html-escape = { version = "0.2.13", optional = true }
 rocket_ws = "0.1.1"
 rocket_seek_stream = "0.2.6"
diff --git a/musicdb-server/src/web.rs b/musicdb-server/src/web.rs
index 4197114..248a803 100755
--- a/musicdb-server/src/web.rs
+++ b/musicdb-server/src/web.rs
@@ -302,14 +302,14 @@ fn now_playing_ids(data: &State<Data>) -> String {
 }
 
 #[get("/song/<id>")]
-fn song1(data: &State<Data>, id: SongId) -> Option<SeekStream> {
+fn song1(data: &State<Data>, id: SongId) -> Option<SeekStream<'_>> {
     song(data, id)
 }
 #[get("/song/<id>/<_>")]
-fn song2(data: &State<Data>, id: SongId) -> Option<SeekStream> {
+fn song2(data: &State<Data>, id: SongId) -> Option<SeekStream<'_>> {
     song(data, id)
 }
-fn song(data: &State<Data>, id: SongId) -> Option<SeekStream> {
+fn song(data: &State<Data>, id: SongId) -> Option<SeekStream<'_>> {
     let db = data.db.lock().unwrap();
     if let Some(song) = db.get_song(&id) {
         song.cached_data().cache_data_start_thread(&*db, song);