diff --git a/build_sysroot/Cargo.lock b/build_sysroot/Cargo.lock
index 9713f13ccb33..6c5043bb6f8e 100644
--- a/build_sysroot/Cargo.lock
+++ b/build_sysroot/Cargo.lock
@@ -69,9 +69,9 @@ version = "0.0.0"
 
 [[package]]
 name = "dlmalloc"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a6fe28e0bf9357092740362502f5cc7955d8dc125ebda71dec72336c2e15c62e"
+checksum = "203540e710bfadb90e5e29930baf5d10270cec1f43ab34f46f78b147b2de715a"
 dependencies = [
  "compiler_builtins",
  "libc",
@@ -80,9 +80,9 @@ dependencies = [
 
 [[package]]
 name = "fortanix-sgx-abi"
-version = "0.3.3"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c56c422ef86062869b2d57ae87270608dc5929969dd130a6e248979cf4fb6ca6"
+checksum = "57cafc2274c10fab234f176b25903ce17e690fca7597090d50880e047a0389c5"
 dependencies = [
  "compiler_builtins",
  "rustc-std-workspace-core",
@@ -135,9 +135,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.131"
+version = "0.2.132"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "04c3b4822ccebfa39c02fc03d1534441b22ead323fa0f48bb7ddd8e6ba076a40"
+checksum = "8371e4e5341c3a96db127eb2465ac681ced4c433e01dd0e938adbef26ba93ba5"
 dependencies = [
  "rustc-std-workspace-core",
 ]
diff --git a/rust-toolchain b/rust-toolchain
index 1405265959db..14f2746ecb19 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2022-08-15"
+channel = "nightly-2022-08-24"
 components = ["rust-src", "rustc-dev", "llvm-tools-preview"]