diff --git a/package/xxhash/xxhash.hash b/package/xxhash/xxhash.hash
new file mode 100644
index 0000000000..31081c01d8
--- /dev/null
+++ b/package/xxhash/xxhash.hash
@@ -0,0 +1,2 @@
+# locally computed
+sha256  9743539ed787ea9bd5bb348265cebdd5adcbf820ad329bf44c28bc69ab4c7cd8  xxhash-r40.tar.gz