diff --git a/src/apperr.rs b/src/apperr.rs
index adb0147..05dd251 100644
--- a/src/apperr.rs
+++ b/src/apperr.rs
@@ -31,7 +31,7 @@ impl Error {
     pub fn message(&self) -> String {
         match *self {
             APP_ICU_MISSING => loc(LocId::ErrorIcuMissing).to_string(),
-            Error::App(code) => format!("Unknown app error code: {}", code),
+            Error::App(code) => format!("Unknown app error code: {code}"),
             Error::Icu(code) => icu::apperr_format(code),
             Error::Sys(code) => sys::apperr_format(code),
         }
diff --git a/src/buffer.rs b/src/buffer.rs
index 95ebf2b..22a408e 100644
--- a/src/buffer.rs
+++ b/src/buffer.rs
@@ -1046,7 +1046,7 @@ impl TextBuffer {
         options: SearchOptions,
     ) -> apperr::Result<ActiveSearch> {
         let sanitized_pattern = if options.whole_word && options.use_regex {
-            Cow::Owned(format!(r"\b(?:{})\b", pattern))
+            Cow::Owned(format!(r"\b(?:{pattern})\b"))
         } else if options.whole_word {
             let mut p = String::with_capacity(pattern.len() + 16);
             p.push_str(r"\b");
diff --git a/src/icu.rs b/src/icu.rs
index 465eb44..2a2fa3f 100644
--- a/src/icu.rs
+++ b/src/icu.rs
@@ -57,9 +57,9 @@ pub fn apperr_format(code: u32) -> String {
 
     let msg = format(code);
     if !msg.is_empty() {
-        format!("ICU Error: {}", msg)
+        format!("ICU Error: {msg}")
     } else {
-        format!("ICU Error: {:#08x}", code)
+        format!("ICU Error: {code:#08x}")
     }
 }
 
@@ -118,7 +118,7 @@ impl<'pivot> Converter<'pivot> {
     }
 
     fn append_nul(input: &str) -> String {
-        format!("{}\0", input)
+        format!("{input}\0")
     }
 
     pub fn convert(
diff --git a/src/sys/unix.rs b/src/sys/unix.rs
index dd0b642..a9be74f 100644
--- a/src/sys/unix.rs
+++ b/src/sys/unix.rs
@@ -274,7 +274,7 @@ pub fn read_stdin(mut timeout: time::Duration) -> Option<String> {
             STATE.inject_resize = false;
             let (w, h) = get_window_size();
             if w > 0 && h > 0 {
-                result = format!("\x1b[8;{};{}t{}", h, w, result);
+                result = format!("\x1b[8;{h};{w}t{result}");
             }
         }
 
@@ -459,7 +459,7 @@ pub fn icu_proc_suffix(handle: NonNull<c_void>) -> String {
         let version = &path[suffix_start..];
         let version_end = version.find('.').unwrap_or(version.len());
         let version = &version[..version_end];
-        format!("_{}", version)
+        format!("_{version}")
     }
 }
 
@@ -468,7 +468,7 @@ pub fn add_icu_proc_suffix<'a>(name: &'a CStr, suffix: &str) -> Cow<'a, CStr> {
         Cow::Borrowed(name)
     } else {
         let name = unsafe { name.to_str().unwrap_unchecked() };
-        let combined = format!("{}{}\0", name, suffix);
+        let combined = format!("{name}{suffix}\0");
         let combined = unsafe { CString::from_vec_unchecked(combined.into_bytes()) };
         Cow::Owned(combined)
     }
@@ -496,7 +496,7 @@ pub fn io_error_to_apperr(err: std::io::Error) -> apperr::Error {
 }
 
 pub fn apperr_format(code: u32) -> String {
-    let mut result = format!("Error {}", code);
+    let mut result = format!("Error {code}");
 
     unsafe {
         let ptr = libc::strerror(code as i32);
diff --git a/src/sys/windows.rs b/src/sys/windows.rs
index 0281821..c01cbf3 100644
--- a/src/sys/windows.rs
+++ b/src/sys/windows.rs
@@ -594,7 +594,7 @@ pub fn apperr_format(code: u32) -> String {
             null_mut(),
         );
 
-        let mut result = format!("Error {:#08x}", code);
+        let mut result = format!("Error {code:#08x}");
 
         if len > 0 {
             let msg = helpers::str_from_raw_parts(ptr, len as usize);
diff --git a/src/tui.rs b/src/tui.rs
index 010b63d..b5cd2ab 100644
--- a/src/tui.rs
+++ b/src/tui.rs
@@ -761,7 +761,7 @@ impl Tui {
         result.push_str("general:\r\n- focus_path:\r\n");
 
         for &id in self.focused_node_path.iter().rev() {
-            _ = write!(result, "  - {:016x}\r\n", id);
+            _ = write!(result, "  - {id:016x}\r\n");
         }
 
         result.push_str("\r\ntree:\r\n");