diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 0000000..5965521
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,3 @@
+[toolchain]
+channel = "1.90"
+components = ["rustfmt", "clippy", "rust-src", "rust-analyzer"]