diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 8b54662..991b519 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,6 +1,6 @@
 # This file is updated by the `akenji@update-rust-toolchain` GitHub action
 [toolchain]
-channel = "1.77.2"
+channel = "1.79.0"
 components = []
 targets = []
 profile = "minimal"