diff --git a/build_sysroot/Cargo.lock b/build_sysroot/Cargo.lock
index d256e2526423c..0144fb243ec54 100644
--- a/build_sysroot/Cargo.lock
+++ b/build_sysroot/Cargo.lock
@@ -203,9 +203,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-demangle"
-version = "0.1.17"
+version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2610b7f643d18c87dff3b489950269617e6601a51f1f05aa5daefee36f64f0b"
+checksum = "6e3bad0ee36814ca07d7968269dd4b7ec89ec2da10c4bb613928d3077083c232"
 dependencies = [
  "compiler_builtins",
  "rustc-std-workspace-core",
diff --git a/rust-toolchain b/rust-toolchain
index d9ac9c12a101d..78dd1ec107f37 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-nightly-2020-10-16
+nightly-2020-10-22