diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 00fb07c..062a255 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,4 @@
 [toolchain]
 channel = "nightly"
+components = ["rust-std", "rust-src", "rustc-dev" ]
 targets = ["wasm32-unknown-unknown"]
\ No newline at end of file