diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 000000000000..0c24424fbac2
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,5 @@
+[toolchain]
+channel = "1.77.0"
+components = [ "rustfmt", "rustc-dev" ]
+targets = [ "wasm32-unknown-unknown" ]
+profile = "minimal"
\ No newline at end of file