diff --git a/build_sysroot/Cargo.lock b/build_sysroot/Cargo.lock
index 15b985eb8b9..0a628b1aa21 100644
--- a/build_sysroot/Cargo.lock
+++ b/build_sysroot/Cargo.lock
@@ -41,9 +41,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.59"
+version = "1.0.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "66120af515773fb005778dc07c261bd201ec8ce50bd6e7144c927753fe013381"
+checksum = "ef611cc68ff783f18535d77ddd080185275713d852c4f5cbb6122c462a7a825c"
 
 [[package]]
 name = "cfg-if"
diff --git a/rust-toolchain b/rust-toolchain
index a4fe30c9240..753ad9df5dd 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-nightly-2020-09-14
+nightly-2020-09-20