diff --git a/influxdb3_write/src/write_buffer/mod.rs b/influxdb3_write/src/write_buffer/mod.rs
index ec0ae4b586..e0135792bb 100644
--- a/influxdb3_write/src/write_buffer/mod.rs
+++ b/influxdb3_write/src/write_buffer/mod.rs
@@ -41,7 +41,6 @@ use sha2::Digest;
 use sha2::Sha256;
 use std::borrow::Cow;
 use std::collections::HashMap;
-use std::i64;
 use std::sync::{Arc, OnceLock};
 use thiserror::Error;
 use tokio::sync::watch;
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 1ec3ae9268..50543c83aa 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.78.0"
+channel = "1.79.0"
 components = ["rustfmt", "clippy", "rust-analyzer"]