diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 9dbbb5c..5459225 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.98"
+channel = "1.99"
 targets = [ "wasm32-unknown-unknown" ]