diff --git a/rust-toolchain b/rust-toolchain
index 43a001b..b3e8bc8 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1,4 +1 @@
-[toolchain]
-profile = "default"
-channel = "stable"
-targets = [ "wasm32-unknown-unknown" ]
+stable --profile default --target wasm32-unknown-unknown