diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 51b1d008..81df0434 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -26,7 +26,7 @@ jobs:
       - name: Install rust
         uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: 1.86
+          toolchain: 1.88
 
       - uses: actions/cache@v4
         with:
@@ -97,7 +97,7 @@ jobs:
       - name: Install rust
         uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: 1.86
+          toolchain: 1.88
 
       - uses: taiki-e/install-action@v2
         name: Install nextest
@@ -127,7 +127,7 @@ jobs:
       - name: Install rust
         uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: 1.86
+          toolchain: 1.88
 
       - uses: actions/cache@v4
         with:
@@ -171,7 +171,7 @@ jobs:
       - name: Install rust
         uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: 1.86
+          toolchain: 1.88
 
       - uses: taiki-e/install-action@v2
         name: Install nextest
@@ -200,7 +200,7 @@ jobs:
       - name: Install latest rust
         uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: 1.86
+          toolchain: 1.88
           components: clippy
 
       - uses: actions/cache@v4
@@ -223,7 +223,7 @@ jobs:
       - name: Install latest rust
         uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: 1.86
+          toolchain: 1.88
           components: rustfmt
 
       - name: Format
diff --git a/Cargo.toml b/Cargo.toml
index c5b335ee..5ada8f44 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@ exclude = ["ui/backend"]
 [workspace.package]
 version = "18.7.1"
 authors = ["Ellie Huxtable <ellie@atuin.sh>"]
-rust-version = "1.86"
+rust-version = "1.88"
 license = "MIT"
 homepage = "https://atuin.sh"
 repository = "https://github.com/atuinsh/atuin"
diff --git a/crates/atuin-client/src/api_client.rs b/crates/atuin-client/src/api_client.rs
index c2bdfadc..78f374d6 100644
--- a/crates/atuin-client/src/api_client.rs
+++ b/crates/atuin-client/src/api_client.rs
@@ -41,7 +41,7 @@ fn make_url(address: &str, path: &str) -> Result<String> {
     let address = if address.ends_with("/") {
         address
     } else {
-        &format!("{}/", address)
+        &format!("{address}/")
     };
 
     // passing a path with a leading `/` will cause `join()` to replace the entire URL path
@@ -148,8 +148,8 @@ pub fn ensure_version(response: &Response) -> Result<bool> {
         println!(
             "Atuin version mismatch! In order to successfully sync, the server needs to run a newer version of Atuin"
         );
-        println!("Client: {}", ATUIN_CARGO_VERSION);
-        println!("Server: {}", version);
+        println!("Client: {ATUIN_CARGO_VERSION}");
+        println!("Server: {version}");
 
         return Ok(false);
     }
diff --git a/crates/atuin-client/src/encryption.rs b/crates/atuin-client/src/encryption.rs
index a1e844e7..a56dbd09 100644
--- a/crates/atuin-client/src/encryption.rs
+++ b/crates/atuin-client/src/encryption.rs
@@ -300,7 +300,7 @@ mod test {
         // test decryption works
         // this should pass
         match decrypt(e1, &key1) {
-            Err(e) => panic!("failed to decrypt, got {}", e),
+            Err(e) => panic!("failed to decrypt, got {e}"),
             Ok(h) => assert_eq!(h, history),
         };
 
diff --git a/crates/atuin-client/src/import/bash.rs b/crates/atuin-client/src/import/bash.rs
index 2c4b29b8..99a44a58 100644
--- a/crates/atuin-client/src/import/bash.rs
+++ b/crates/atuin-client/src/import/bash.rs
@@ -111,11 +111,11 @@ impl<'a> From<&'a [u8]> for LineType<'a> {
         if line.is_empty() {
             return LineType::Empty;
         }
-        let parsed = match try_parse_line_as_timestamp(line) {
+
+        match try_parse_line_as_timestamp(line) {
             Some(time) => LineType::Timestamp(time),
             None => LineType::Command(line),
-        };
-        parsed
+        }
     }
 }
 
diff --git a/crates/atuin-client/src/theme.rs b/crates/atuin-client/src/theme.rs
index 429f08ab..b53c2e7a 100644
--- a/crates/atuin-client/src/theme.rs
+++ b/crates/atuin-client/src/theme.rs
@@ -198,7 +198,7 @@ fn from_string(name: &str) -> Result<Color, String> {
             // For full flexibility, we need to use serde_json, given
             // crossterm's approach.
             serde_json::from_str::<Color>(format!("\"{}\"", &name[1..]).as_str())
-                .map_err(|_| format!("Could not convert color name {} to Crossterm color", name))
+                .map_err(|_| format!("Could not convert color name {name} to Crossterm color"))
         }
         _ => {
             let srgb = named::from_str(name).ok_or("No such color in palette")?;
@@ -382,7 +382,7 @@ impl ThemeManager {
             theme_file
         };
 
-        let theme_toml = format!["{}.toml", name];
+        let theme_toml = format!["{name}.toml"];
         theme_file.push(theme_toml);
 
         let mut config_builder = Config::builder();
@@ -797,8 +797,7 @@ mod theme_tests {
                 assert_eq!(
                     from_string(inp),
                     Err(format!(
-                        "Could not convert color name {} to Crossterm color",
-                        inp
+                        "Could not convert color name {inp} to Crossterm color"
                     ))
                 );
             });
diff --git a/crates/atuin-common/src/shell.rs b/crates/atuin-common/src/shell.rs
index 0d495369..995c7bcb 100644
--- a/crates/atuin-common/src/shell.rs
+++ b/crates/atuin-common/src/shell.rs
@@ -31,7 +31,7 @@ impl std::fmt::Display for Shell {
             Shell::Unknown => "unknown",
         };
 
-        write!(f, "{}", shell)
+        write!(f, "{shell}")
     }
 }
 
diff --git a/crates/atuin-dotfiles/src/shell/bash.rs b/crates/atuin-dotfiles/src/shell/bash.rs
index 05f2cbe1..2b9b4c88 100644
--- a/crates/atuin-dotfiles/src/shell/bash.rs
+++ b/crates/atuin-dotfiles/src/shell/bash.rs
@@ -46,7 +46,7 @@ pub async fn alias_config(store: &AliasStore) -> String {
     }
 
     if let Err(e) = store.build().await {
-        return format!("echo 'Atuin: failed to generate aliases: {}'", e);
+        return format!("echo 'Atuin: failed to generate aliases: {e}'");
     }
 
     cached_aliases(aliases, store).await
@@ -61,7 +61,7 @@ pub async fn var_config(store: &VarStore) -> String {
     }
 
     if let Err(e) = store.build().await {
-        return format!("echo 'Atuin: failed to generate vars: {}'", e);
+        return format!("echo 'Atuin: failed to generate vars: {e}'");
     }
 
     cached_vars(vars, store).await
diff --git a/crates/atuin-dotfiles/src/shell/fish.rs b/crates/atuin-dotfiles/src/shell/fish.rs
index 72d95dd7..6d472f67 100644
--- a/crates/atuin-dotfiles/src/shell/fish.rs
+++ b/crates/atuin-dotfiles/src/shell/fish.rs
@@ -47,7 +47,7 @@ pub async fn alias_config(store: &AliasStore) -> String {
     }
 
     if let Err(e) = store.build().await {
-        return format!("echo 'Atuin: failed to generate aliases: {}'", e);
+        return format!("echo 'Atuin: failed to generate aliases: {e}'");
     }
 
     cached_aliases(aliases, store).await
@@ -62,7 +62,7 @@ pub async fn var_config(store: &VarStore) -> String {
     }
 
     if let Err(e) = store.build().await {
-        return format!("echo 'Atuin: failed to generate vars: {}'", e);
+        return format!("echo 'Atuin: failed to generate vars: {e}'");
     }
 
     cached_vars(vars, store).await
diff --git a/crates/atuin-dotfiles/src/shell/xonsh.rs b/crates/atuin-dotfiles/src/shell/xonsh.rs
index b87e3585..1e56fc1d 100644
--- a/crates/atuin-dotfiles/src/shell/xonsh.rs
+++ b/crates/atuin-dotfiles/src/shell/xonsh.rs
@@ -46,7 +46,7 @@ pub async fn alias_config(store: &AliasStore) -> String {
     }
 
     if let Err(e) = store.build().await {
-        return format!("echo 'Atuin: failed to generate aliases: {}'", e);
+        return format!("echo 'Atuin: failed to generate aliases: {e}'");
     }
 
     cached_aliases(aliases, store).await
@@ -61,7 +61,7 @@ pub async fn var_config(store: &VarStore) -> String {
     }
 
     if let Err(e) = store.build().await {
-        return format!("echo 'Atuin: failed to generate vars: {}'", e);
+        return format!("echo 'Atuin: failed to generate vars: {e}'");
     }
 
     cached_vars(vars, store).await
diff --git a/crates/atuin-dotfiles/src/shell/zsh.rs b/crates/atuin-dotfiles/src/shell/zsh.rs
index 161fd9a7..117e9403 100644
--- a/crates/atuin-dotfiles/src/shell/zsh.rs
+++ b/crates/atuin-dotfiles/src/shell/zsh.rs
@@ -46,7 +46,7 @@ pub async fn alias_config(store: &AliasStore) -> String {
     }
 
     if let Err(e) = store.build().await {
-        return format!("echo 'Atuin: failed to generate aliases: {}'", e);
+        return format!("echo 'Atuin: failed to generate aliases: {e}'");
     }
 
     cached_aliases(aliases, store).await
@@ -61,7 +61,7 @@ pub async fn var_config(store: &VarStore) -> String {
     }
 
     if let Err(e) = store.build().await {
-        return format!("echo 'Atuin: failed to generate aliases: {}'", e);
+        return format!("echo 'Atuin: failed to generate aliases: {e}'");
     }
 
     cached_vars(vars, store).await
diff --git a/crates/atuin-history/src/stats.rs b/crates/atuin-history/src/stats.rs
index 5e8d59da..8bf03e42 100644
--- a/crates/atuin-history/src/stats.rs
+++ b/crates/atuin-history/src/stats.rs
@@ -324,7 +324,7 @@ mod tests {
             .into();
 
         let stats = compute(&settings, &[history], 10, 1).expect("failed to compute stats");
-        assert_eq!(stats.top.get(0).unwrap().0, vec!["echo"]);
+        assert_eq!(stats.top.first().unwrap().0, vec!["echo"]);
     }
 
     #[test]
diff --git a/crates/atuin-kv/src/store.rs b/crates/atuin-kv/src/store.rs
index 3394b8c0..23fd7934 100644
--- a/crates/atuin-kv/src/store.rs
+++ b/crates/atuin-kv/src/store.rs
@@ -199,10 +199,7 @@ mod tests {
         let ns_list = store.list(None).await.unwrap();
         assert_eq!(ns_list, expected);
 
-        store
-            .delete("test", &vec!["key".to_string()])
-            .await
-            .unwrap();
+        store.delete("test", &["key".to_string()]).await.unwrap();
         let value = store.get("test", "key").await.unwrap();
         assert_eq!(value, None);
 
diff --git a/crates/atuin-scripts/src/execution.rs b/crates/atuin-scripts/src/execution.rs
index 90f7c4eb..8605d142 100644
--- a/crates/atuin-scripts/src/execution.rs
+++ b/crates/atuin-scripts/src/execution.rs
@@ -13,11 +13,11 @@ use tracing::debug;
 pub fn build_executable_script(script: String, shebang: String) -> String {
     if shebang.is_empty() {
         // Default to bash if no shebang is provided
-        format!("#!/usr/bin/env bash\n{}", script)
+        format!("#!/usr/bin/env bash\n{script}")
     } else if script.starts_with("#!") {
-        format!("{}\n{}", shebang, script)
+        format!("{shebang}\n{script}")
     } else {
-        format!("#!{}\n{}", shebang, script)
+        format!("#!{shebang}\n{script}")
     }
 }
 
@@ -149,7 +149,7 @@ pub async fn execute_script_interactive(
     let mut child = match child_result {
         Ok(child) => child,
         Err(e) => {
-            return Err(format!("Failed to execute script: {}", e).into());
+            return Err(format!("Failed to execute script: {e}").into());
         }
     };
 
@@ -176,11 +176,11 @@ pub async fn execute_script_interactive(
     tokio::spawn(async move {
         while let Some(input) = stdin_rx.recv().await {
             if let Err(e) = stdin.write_all(input.as_bytes()).await {
-                eprintln!("Error writing to stdin: {}", e);
+                eprintln!("Error writing to stdin: {e}");
                 break;
             }
             if let Err(e) = stdin.flush().await {
-                eprintln!("Error flushing stdin: {}", e);
+                eprintln!("Error flushing stdin: {e}");
                 break;
             }
         }
@@ -199,16 +199,16 @@ pub async fn execute_script_interactive(
                 Ok(0) => break, // End of stdout
                 Ok(n) => {
                     if let Err(e) = stdout_writer.write_all(&buffer[0..n]).await {
-                        eprintln!("Error writing to stdout: {}", e);
+                        eprintln!("Error writing to stdout: {e}");
                         break;
                     }
                     if let Err(e) = stdout_writer.flush().await {
-                        eprintln!("Error flushing stdout: {}", e);
+                        eprintln!("Error flushing stdout: {e}");
                         break;
                     }
                 }
                 Err(e) => {
-                    eprintln!("Error reading from process stdout: {}", e);
+                    eprintln!("Error reading from process stdout: {e}");
                     break;
                 }
             }
@@ -227,16 +227,16 @@ pub async fn execute_script_interactive(
                 Ok(0) => break, // End of stderr
                 Ok(n) => {
                     if let Err(e) = stderr_writer.write_all(&buffer[0..n]).await {
-                        eprintln!("Error writing to stderr: {}", e);
+                        eprintln!("Error writing to stderr: {e}");
                         break;
                     }
                     if let Err(e) = stderr_writer.flush().await {
-                        eprintln!("Error flushing stderr: {}", e);
+                        eprintln!("Error flushing stderr: {e}");
                         break;
                     }
                 }
                 Err(e) => {
-                    eprintln!("Error reading from process stderr: {}", e);
+                    eprintln!("Error reading from process stderr: {e}");
                     break;
                 }
             }
@@ -257,7 +257,7 @@ pub async fn execute_script_interactive(
                 status
             }
             Err(e) => {
-                eprintln!("Error waiting for child process: {}", e);
+                eprintln!("Error waiting for child process: {e}");
                 // Send a default error code
                 let _ = exit_code_tx.send(-1).await;
                 return;
@@ -266,11 +266,11 @@ pub async fn execute_script_interactive(
 
         // Wait for stdout/stderr tasks to complete
         if let Err(e) = stdout_handle.await {
-            eprintln!("Error joining stdout task: {}", e);
+            eprintln!("Error joining stdout task: {e}");
         }
 
         if let Err(e) = stderr_handle.await {
-            eprintln!("Error joining stderr task: {}", e);
+            eprintln!("Error joining stderr task: {e}");
         }
 
         // Send the exit code
diff --git a/crates/atuin-server-postgres/src/lib.rs b/crates/atuin-server-postgres/src/lib.rs
index 005e8765..65e8efbf 100644
--- a/crates/atuin-server-postgres/src/lib.rs
+++ b/crates/atuin-server-postgres/src/lib.rs
@@ -55,8 +55,7 @@ impl Database for Postgres {
 
         if pg_major_version < MIN_PG_VERSION {
             return Err(DbError::Other(eyre::Report::msg(format!(
-                "unsupported PostgreSQL version {}, minimum required is {}",
-                pg_major_version, MIN_PG_VERSION
+                "unsupported PostgreSQL version {pg_major_version}, minimum required is {MIN_PG_VERSION}"
             ))));
         }
 
diff --git a/crates/atuin-server/src/handlers/user.rs b/crates/atuin-server/src/handlers/user.rs
index 60956e6e..e493e714 100644
--- a/crates/atuin-server/src/handlers/user.rs
+++ b/crates/atuin-server/src/handlers/user.rs
@@ -229,8 +229,7 @@ pub async fn send_verification<DB: Database>(
         .subject(settings.mail.verification.subject)
         .to(user.email)
         .body(postmark::api::Body::text(format!(
-            "Please run the following command to finalize your Atuin account verification. It is valid for 15 minutes:\n\natuin account verify --token '{}'",
-            verification_token
+            "Please run the following command to finalize your Atuin account verification. It is valid for 15 minutes:\n\natuin account verify --token '{verification_token}'"
         )))
         .build();
 
diff --git a/crates/atuin/build.rs b/crates/atuin/build.rs
index f24cf1bf..75d53ee0 100644
--- a/crates/atuin/build.rs
+++ b/crates/atuin/build.rs
@@ -7,5 +7,5 @@ fn main() {
         Err(_) => String::from("NO_GIT"),
     };
 
-    println!("cargo:rustc-env=GIT_HASH={}", sha);
+    println!("cargo:rustc-env=GIT_HASH={sha}");
 }
diff --git a/crates/atuin/src/command/client/history.rs b/crates/atuin/src/command/client/history.rs
index 74d9e155..1879c1d7 100644
--- a/crates/atuin/src/command/client/history.rs
+++ b/crates/atuin/src/command/client/history.rs
@@ -342,27 +342,6 @@ fn parse_fmt(format: &str) -> ParsedFmt {
     }
 }
 
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn test_format_string_no_panic() {
-        // Don't panic but provide helpful output (issue #2776)
-        let malformed_json = r#"{"command":"{command}","key":"value"}"#;
-
-        let result = std::panic::catch_unwind(|| parse_fmt(malformed_json));
-
-        assert!(result.is_ok());
-    }
-
-    #[test]
-    fn test_valid_formats_still_work() {
-        assert!(std::panic::catch_unwind(|| parse_fmt("{command}")).is_ok());
-        assert!(std::panic::catch_unwind(|| parse_fmt("{time} - {command}")).is_ok());
-    }
-}
-
 impl Cmd {
     #[allow(clippy::too_many_lines, clippy::cast_possible_truncation)]
     async fn handle_start(
@@ -772,3 +751,24 @@ impl Cmd {
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_format_string_no_panic() {
+        // Don't panic but provide helpful output (issue #2776)
+        let malformed_json = r#"{"command":"{command}","key":"value"}"#;
+
+        let result = std::panic::catch_unwind(|| parse_fmt(malformed_json));
+
+        assert!(result.is_ok());
+    }
+
+    #[test]
+    fn test_valid_formats_still_work() {
+        assert!(std::panic::catch_unwind(|| parse_fmt("{command}")).is_ok());
+        assert!(std::panic::catch_unwind(|| parse_fmt("{time} - {command}")).is_ok());
+    }
+}
diff --git a/crates/atuin/src/command/client/import.rs b/crates/atuin/src/command/client/import.rs
index 892d6f77..a30659cb 100644
--- a/crates/atuin/src/command/client/import.rs
+++ b/crates/atuin/src/command/client/import.rs
@@ -45,6 +45,7 @@ pub enum Cmd {
 const BATCH_SIZE: usize = 100;
 
 impl Cmd {
+    #[allow(clippy::cognitive_complexity)]
     pub async fn run<DB: Database>(&self, db: &DB) -> Result<()> {
         println!("        Atuin         ");
         println!("======================");
diff --git a/crates/atuin/src/command/client/scripts.rs b/crates/atuin/src/command/client/scripts.rs
index cd1b13ba..755cee1e 100644
--- a/crates/atuin/src/command/client/scripts.rs
+++ b/crates/atuin/src/command/client/scripts.rs
@@ -437,6 +437,7 @@ impl Cmd {
         }
     }
 
+    #[allow(clippy::cognitive_complexity)]
     async fn handle_edit(
         _settings: &Settings,
         edit: Edit,
diff --git a/crates/atuin/src/command/client/search/interactive.rs b/crates/atuin/src/command/client/search/interactive.rs
index 0fd7cbb6..ec40cc8d 100644
--- a/crates/atuin/src/command/client/search/interactive.rs
+++ b/crates/atuin/src/command/client/search/interactive.rs
@@ -862,13 +862,12 @@ impl State {
     }
 
     fn build_stats(&self, theme: &Theme) -> Paragraph {
-        let stats = Paragraph::new(Text::from(Span::raw(format!(
+        Paragraph::new(Text::from(Span::raw(format!(
             "history count: {}",
             self.history_count,
         ))))
         .style(theme.as_style(Meaning::Annotation))
-        .alignment(Alignment::Right);
-        stats
+        .alignment(Alignment::Right)
     }
 
     fn build_results_list<'a>(
@@ -962,7 +961,8 @@ impl State {
                 })
                 .join("\n")
         };
-        let preview = if compact {
+
+        if compact {
             Paragraph::new(command).style(theme.as_style(Meaning::Annotation))
         } else {
             Paragraph::new(command).block(
@@ -971,8 +971,7 @@ impl State {
                     .border_type(BorderType::Rounded)
                     .title(format!("{:─>width$}", "", width = chunk_width - 2)),
             )
-        };
-        preview
+        }
     }
 }
 
@@ -1045,7 +1044,11 @@ impl Write for Stdout {
 // this is a big blob of horrible! clean it up!
 // for now, it works. But it'd be great if it were more easily readable, and
 // modular. I'd like to add some more stats and stuff at some point
-#[allow(clippy::cast_possible_truncation, clippy::too_many_lines)]
+#[allow(
+    clippy::cast_possible_truncation,
+    clippy::too_many_lines,
+    clippy::cognitive_complexity
+)]
 pub async fn history(
     query: &[String],
     settings: &Settings,
diff --git a/crates/atuin/src/command/client/store/rekey.rs b/crates/atuin/src/command/client/store/rekey.rs
index ec41cc2b..918bb335 100644
--- a/crates/atuin/src/command/client/store/rekey.rs
+++ b/crates/atuin/src/command/client/store/rekey.rs
@@ -20,7 +20,7 @@ impl Rekey {
         let key = if let Some(key) = self.key.clone() {
             println!("Re-encrypting store with specified key");
 
-            let key = match bip39::Mnemonic::from_phrase(&key, bip39::Language::English) {
+            match bip39::Mnemonic::from_phrase(&key, bip39::Language::English) {
                 Ok(mnemonic) => encode_key(Key::from_slice(mnemonic.entropy()))?,
                 Err(err) => {
                     match err.downcast_ref::<bip39::ErrorKind>() {
@@ -44,9 +44,7 @@ impl Rekey {
                         }
                     }
                 }
-            };
-
-            key
+            }
         } else {
             println!("Re-encrypting store with freshly-generated key");
             let (_, encoded) = generate_encoded_key()?;
diff --git a/flake.nix b/flake.nix
index adca7b34..8c8175d9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -32,7 +32,7 @@
                 fenix.packages.${system}.fromToolchainFile
                   {
                     file = ./rust-toolchain.toml;
-                    sha256 = "sha256-X/4ZBHO3iW0fOenQ3foEvscgAPJYl2abspaBThDOukI=";
+                    sha256 = "sha256-Qxt8XAuaUR2OMdKbN4u8dBJOhSHxS+uS06Wl9+flVEk=";
                   };
             in
             pkgs.makeRustPlatform {
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index e7f22fb8..c95c9057 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,2 +1,2 @@
 [toolchain]
-channel = "1.86"
+channel = "1.88"