diff --git a/sphinx-key/rust-toolchain.toml b/sphinx-key/rust-toolchain.toml
index fb33ae1..f2f405b 100644
--- a/sphinx-key/rust-toolchain.toml
+++ b/sphinx-key/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
 
-channel = "nightly"
\ No newline at end of file
+channel = "nightly-2022-10-20"