diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index c2e64e5..141b333 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,5 +1,5 @@
 [toolchain]
-channel = "1.90"
+channel = "1.91"
 components = ["clippy", "rust-src", "rustfmt"]
 targets = [
     "wasm32-unknown-unknown",