diff --git a/Cargo.lock b/Cargo.lock
index 5f81c0b..584960f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1144,6 +1144,17 @@ version = "2.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f4c7245a08504955605670dbf141fceab975f15ca21570696aebe9d2e71576bd"
 
+[[package]]
+name = "io-uring"
+version = "0.7.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b86e202f00093dcba4275d4636b93ef9dd75d025ae560d2521b45ea28ab49013"
+dependencies = [
+ "bitflags 2.9.0",
+ "cfg-if",
+ "libc",
+]
+
 [[package]]
 name = "ipnet"
 version = "2.11.0"
@@ -2780,17 +2791,19 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "1.45.1"
+version = "1.46.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75ef51a33ef1da925cea3e4eb122833cb377c61439ca401b770f54902b806779"
+checksum = "0cc3a2344dafbe23a245241fe8b09735b521110d30fcefbbd5feb1797ca35d17"
 dependencies = [
  "backtrace",
  "bytes",
+ "io-uring",
  "libc",
  "mio",
  "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",
+ "slab",
  "socket2",
  "tokio-macros",
  "windows-sys 0.52.0",
diff --git a/crates/sbv2_api/Cargo.toml b/crates/sbv2_api/Cargo.toml
index c3a7bb1..44ea6e3 100644
--- a/crates/sbv2_api/Cargo.toml
+++ b/crates/sbv2_api/Cargo.toml
@@ -16,7 +16,7 @@ env_logger.workspace = true
 log = "0.4.22"
 sbv2_core = { version = "0.2.0-alpha6", path = "../sbv2_core", features = ["aivmx"] }
 serde = { version = "1.0.210", features = ["derive"] }
-tokio = { version = "1.45.1", features = ["full"] }
+tokio = { version = "1.46.1", features = ["full"] }
 utoipa = { version = "5.4.0", features = ["axum_extras"] }
 utoipa-scalar = { version = "0.3.0", features = ["axum"] }
 
diff --git a/crates/sbv2_core/src/jtalk.rs b/crates/sbv2_core/src/jtalk.rs
index 778d98d..a4646ab 100644
--- a/crates/sbv2_core/src/jtalk.rs
+++ b/crates/sbv2_core/src/jtalk.rs
@@ -123,7 +123,7 @@ impl JTalkProcess {
             .map(|(_letter, tone)| *tone)
             .collect();
         if tone_values.len() == 1 {
-            assert!(tone_values == hash_set![0], "{:?}", tone_values);
+            assert!(tone_values == hash_set![0], "{tone_values:?}");
             Ok(phone_tone_list)
         } else if tone_values.len() == 2 {
             if tone_values == hash_set![0, 1] {
@@ -226,12 +226,12 @@ impl JTalkProcess {
             } else if PUNCTUATIONS.contains(&phone.as_str()) {
                 result.push((phone, 0));
             } else {
-                println!("phones {:?}", phone_with_punct);
-                println!("phone_tone_list: {:?}", phone_tone_list);
-                println!("result: {:?}", result);
-                println!("tone_index: {:?}", tone_index);
-                println!("phone: {:?}", phone);
-                return Err(Error::ValueError(format!("Mismatched phoneme: {}", phone)));
+                println!("phones {phone_with_punct:?}");
+                println!("phone_tone_list: {phone_tone_list:?}");
+                println!("result: {result:?}");
+                println!("tone_index: {tone_index:?}");
+                println!("phone: {phone:?}");
+                return Err(Error::ValueError(format!("Mismatched phoneme: {phone}")));
             }
         }
 
@@ -276,8 +276,7 @@ impl JTalkProcess {
         }
         if !KATAKANA_PATTERN.is_match(&text) {
             return Err(Error::ValueError(format!(
-                "Input must be katakana only: {}",
-                text
+                "Input must be katakana only: {text}"
             )));
         }
 
@@ -285,7 +284,7 @@ impl JTalkProcess {
             let mora = mora.to_string();
             let (consonant, vowel) = MORA_KATA_TO_MORA_PHONEMES.get(&mora).unwrap();
             if consonant.is_none() {
-                text = text.replace(&mora, &format!(" {}", vowel));
+                text = text.replace(&mora, &format!(" {vowel}"));
             } else {
                 text = text.replace(
                     &mora,
@@ -319,7 +318,7 @@ impl JTalkProcess {
             let (string, pron) = self.parse_to_string_and_pron(parts.clone());
             let mut yomi = pron.replace('’', "");
             let word = replace_punctuation(string);
-            assert!(!yomi.is_empty(), "Empty yomi: {}", word);
+            assert!(!yomi.is_empty(), "Empty yomi: {word}");
             if yomi == "、" {
                 if !word
                     .chars()
@@ -330,7 +329,7 @@ impl JTalkProcess {
                     yomi = word.clone();
                 }
             } else if yomi == "？" {
-                assert!(word == "?", "yomi `？` comes from: {}", word);
+                assert!(word == "?", "yomi `？` comes from: {word}");
                 yomi = "?".to_string();
             }
             seq_text.push(word);