diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 3b913e1..b8a86d8 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2021-12-19"
+channel = "nightly-2021-12-22"
 components = ["miri"]
\ No newline at end of file