diff --git a/build_sysroot/Cargo.lock b/build_sysroot/Cargo.lock
index 990557694ea..f3f29957ecd 100644
--- a/build_sysroot/Cargo.lock
+++ b/build_sysroot/Cargo.lock
@@ -2,9 +2,9 @@
 # It is not intended for manual editing.
 [[package]]
 name = "addr2line"
-version = "0.14.0"
+version = "0.14.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c0929d69e78dd9bf5408269919fcbcaeb2e35e5d43e5815517cdc6a8e11a423"
+checksum = "a55f82cfe485775d02112886f4169bde0c5894d75e79ead7eafe7e40a25e45f7"
 dependencies = [
  "compiler_builtins",
  "gimli",
diff --git a/rust-toolchain b/rust-toolchain
index d6ad24bcf26..a2b82fb1f4f 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-nightly-2020-12-23
+nightly-2021-01-01