diff --git a/src/bootstrap/src/core/build_steps/dist.rs b/src/bootstrap/src/core/build_steps/dist.rs
index 91039d0c8dc..60b1ff3e441 100644
--- a/src/bootstrap/src/core/build_steps/dist.rs
+++ b/src/bootstrap/src/core/build_steps/dist.rs
@@ -1041,6 +1041,21 @@ fn run(self, builder: &Builder<'_>) -> GeneratedTarball {
                 .env("RUSTC_BOOTSTRAP", "1")
                 .current_dir(plain_dst_src);
 
+            // Vendor packages that are required by opt-dist to collect PGO profiles.
+            let pkgs_for_pgo_training = build_helper::LLVM_PGO_CRATES
+                .iter()
+                .chain(build_helper::RUSTC_PGO_CRATES)
+                .map(|pkg| {
+                    let mut manifest_path =
+                        builder.src.join("./src/tools/rustc-perf/collector/compile-benchmarks");
+                    manifest_path.push(pkg);
+                    manifest_path.push("Cargo.toml");
+                    manifest_path
+                });
+            for manifest_path in pkgs_for_pgo_training {
+                cmd.arg("--sync").arg(manifest_path);
+            }
+
             let config = if !builder.config.dry_run() {
                 t!(String::from_utf8(t!(cmd.output()).stdout))
             } else {
diff --git a/src/tools/build_helper/src/lib.rs b/src/tools/build_helper/src/lib.rs
index d831cfa0d79..15807d1c0d8 100644
--- a/src/tools/build_helper/src/lib.rs
+++ b/src/tools/build_helper/src/lib.rs
@@ -5,3 +5,26 @@
 pub mod metrics;
 pub mod stage0_parser;
 pub mod util;
+
+/// The default set of crates for opt-dist to collect LLVM profiles.
+pub const LLVM_PGO_CRATES: &[&str] = &[
+    "syn-1.0.89",
+    "cargo-0.60.0",
+    "serde-1.0.136",
+    "ripgrep-13.0.0",
+    "regex-1.5.5",
+    "clap-3.1.6",
+    "hyper-0.14.18",
+];
+
+/// The default set of crates for opt-dist to collect rustc profiles.
+pub const RUSTC_PGO_CRATES: &[&str] = &[
+    "externs",
+    "ctfe-stress-5",
+    "cargo-0.60.0",
+    "token-stream-stress",
+    "match-stress",
+    "tuple-stress",
+    "diesel-1.4.8",
+    "bitmaps-3.1.0",
+];
diff --git a/src/tools/opt-dist/src/training.rs b/src/tools/opt-dist/src/training.rs
index 09263dc645e..89f4d8957c8 100644
--- a/src/tools/opt-dist/src/training.rs
+++ b/src/tools/opt-dist/src/training.rs
@@ -3,30 +3,10 @@
 use crate::utils::io::{count_files, delete_directory};
 use crate::utils::with_log_group;
 use anyhow::Context;
+use build_helper::{LLVM_PGO_CRATES, RUSTC_PGO_CRATES};
 use camino::{Utf8Path, Utf8PathBuf};
 use humansize::BINARY;
 
-const LLVM_PGO_CRATES: &[&str] = &[
-    "syn-1.0.89",
-    "cargo-0.60.0",
-    "serde-1.0.136",
-    "ripgrep-13.0.0",
-    "regex-1.5.5",
-    "clap-3.1.6",
-    "hyper-0.14.18",
-];
-
-const RUSTC_PGO_CRATES: &[&str] = &[
-    "externs",
-    "ctfe-stress-5",
-    "cargo-0.60.0",
-    "token-stream-stress",
-    "match-stress",
-    "tuple-stress",
-    "diesel-1.4.8",
-    "bitmaps-3.1.0",
-];
-
 fn init_compiler_benchmarks(
     env: &Environment,
     profiles: &[&str],