diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 0000000..58a7f8f
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,3 @@
+[toolchain]
+channel = "1.81.0"
+targets = ["wasm32-wasi"]
\ No newline at end of file