diff --git a/rust-toolchain b/rust-toolchain
index ac51154f8a9d2..d2e84132f4ed9 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2020-12-14"
+channel = "nightly-2020-12-20"
 components = ["llvm-tools-preview", "rustc-dev", "rust-src", "rustfmt"]