diff --git a/Cargo.toml b/Cargo.toml
index fc13d454..9df1411b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,6 +7,7 @@ license = "Apache-2.0 OR MIT"
 repository = "https://github.com/salsa-rs/salsa"
 description = "A generic framework for on-demand, incrementalized computation (experimental)"
 readme = "README.md"
+exclude = ["rust-toolchain"]
 
 [dependencies]
 derive-new = "0.5.5"