diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 0000000..bf9966e
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,9 @@
+[toolchain]
+channel = "stable"
+components = ["rustfmt", "rustc-dev"]
+targets = [
+  "x86_64-unknown-linux-gnu",
+  "aarch64-unknown-linux-gnu",
+  "x86_64-apple-darwin",
+]
+profile = "default"