diff --git a/Cargo.lock b/Cargo.lock
index 3dca4aa3c6d..10ebff84887 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -333,7 +333,6 @@ dependencies = [
  "cargo-util",
  "clap",
  "crates-io",
- "crossbeam-utils",
  "curl",
  "curl-sys",
  "env_logger 0.9.0",
@@ -357,7 +356,6 @@ dependencies = [
  "libgit2-sys",
  "log",
  "memchr",
- "num_cpus",
  "opener",
  "openssl",
  "os_info",
diff --git a/src/tools/cargo b/src/tools/cargo
index ce40690a5e4..efd4ca3dc0b 160000
--- a/src/tools/cargo
+++ b/src/tools/cargo
@@ -1 +1 @@
-Subproject commit ce40690a5e4e315d3dab0aae1eae69d0252c52ac
+Subproject commit efd4ca3dc0b89929dc8c5f5c023d25978d76cb61