diff --git a/Cargo.lock b/Cargo.lock
index 4f011a892c8..7f62f596a17 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -414,7 +414,7 @@ dependencies = [
 
 [[package]]
 name = "cargo-util"
-version = "0.2.9"
+version = "0.2.10"
 dependencies = [
  "anyhow",
  "core-foundation",
diff --git a/crates/cargo-util/Cargo.toml b/crates/cargo-util/Cargo.toml
index aa54e93c348..fa554309da4 100644
--- a/crates/cargo-util/Cargo.toml
+++ b/crates/cargo-util/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cargo-util"
-version = "0.2.9"
+version = "0.2.10"
 rust-version.workspace = true
 edition.workspace = true
 license.workspace = true
diff --git a/crates/cargo-util/src/du.rs b/crates/cargo-util/src/du.rs
index 14634c47bc1..251acef0137 100644
--- a/crates/cargo-util/src/du.rs
+++ b/crates/cargo-util/src/du.rs
@@ -39,7 +39,14 @@ fn du_inner(path: &Path, patterns: &[&str]) -> Result<u64> {
         .git_ignore(false)
         .git_exclude(false);
     let walker = builder.build_parallel();
+
+    // Platforms like PowerPC don't support AtomicU64, so we use a Mutex instead.
+    //
+    // See:
+    // - https://github.com/rust-lang/cargo/pull/12981
+    // - https://github.com/rust-lang/rust/pull/117916#issuecomment-1812635848
     let total = Arc::new(Mutex::new(0u64));
+
     // A slot used to indicate there was an error while walking.
     //
     // It is possible that more than one error happens (such as in different