diff --git a/package/jack2/jack2.hash b/package/jack2/jack2.hash
new file mode 100644
index 0000000000..ab031b9d94
--- /dev/null
+++ b/package/jack2/jack2.hash
@@ -0,0 +1,2 @@
+# Locally calculated
+sha256 88f1b6601b7c8950e6a2d5940b423a33ee628ae5583da40bdce3d9317d8c600d  jack2-v1.9.10.tar.gz