diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index d2dbe19..4385366 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,5 +1,5 @@
 [toolchain]
 channel = "nightly-2024-01-11"
 profile = "minimal"
-components = ["clippy", "rust-docs", "rustfmt"]
+components = ["clippy", "rust-docs", "rust-src", "rustfmt"]
 targets = ["wasm32-unknown-unknown"]
\ No newline at end of file