diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index c8c81e637..811e63eec 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.98.1"
+channel = "1.99.0"
 targets = ["wasm32-unknown-unknown", "wasm32-wasip1"]