diff --git a/.config/mise/config.toml b/.config/mise/config.toml
index 8b7bd8af..c32b2c94 100644
--- a/.config/mise/config.toml
+++ b/.config/mise/config.toml
@@ -2,7 +2,7 @@
 python = "3.15.2"
 uv = "latest"
 # The Rust half under rust/ (compiler, CPython bridge and WASM extension guest).
-rust = { version = "1.98.1", targets = "wasm32-unknown-unknown", components = "rustfmt,clippy" }
+rust = { version = "1.99.1", targets = "wasm32-unknown-unknown", components = "rustfmt,clippy" }
 # Validates the release WASM guest before bundling.
 wasm-tools = "1.259.0"