diff --git a/crates/ltk_hash/Cargo.toml b/crates/ltk_hash/Cargo.toml
index 70a9e0be..0125cd80 100644
--- a/crates/ltk_hash/Cargo.toml
+++ b/crates/ltk_hash/Cargo.toml
@@ -7,3 +7,4 @@ license = "MIT OR Apache-2.0"
 readme = "../../README.md"
 
 [dependencies]
+xxhash-rust = { workspace = true }
diff --git a/crates/ltk_hash/src/lib.rs b/crates/ltk_hash/src/lib.rs
index bbb2f0e2..4b330549 100644
--- a/crates/ltk_hash/src/lib.rs
+++ b/crates/ltk_hash/src/lib.rs
@@ -1,3 +1,4 @@
 //! Other utilities (hashing, etc)
 pub mod elf;
 pub mod fnv1a;
+pub mod xxhash;
diff --git a/crates/ltk_hash/src/xxhash.rs b/crates/ltk_hash/src/xxhash.rs
new file mode 100644
index 00000000..b0b1e36c
--- /dev/null
+++ b/crates/ltk_hash/src/xxhash.rs
@@ -0,0 +1,10 @@
+use xxhash_rust::xxh64::xxh64;
+
+/// Computes the XXHash64 of `input` bytes with the given `seed`.
+///
+/// This is a thin wrapper around [`xxhash_rust::xxh64::xxh64`] that is
+/// re-exported so downstream crates can depend on a single hashing crate.
+#[inline]
+pub fn xxhash64(input: &[u8], seed: u64) -> u64 {
+    xxh64(input, seed)
+}