diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 8cca5be0..60487176 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,2 +1,3 @@
 [toolchain]
 channel = "1.80"
+components = [ "rust-src" ]