diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 0000000..5a632b9
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,4 @@
+[toolchain]
+channel = "1.85"
+profile = "default"
+components = ["rust-analyzer"]