diff --git a/package/rtai/rtai.hash b/package/rtai/rtai.hash
new file mode 100644
index 0000000000..f0afafbd7c
--- /dev/null
+++ b/package/rtai/rtai.hash
@@ -0,0 +1,2 @@
+# Locally computed
+sha256 13669da744a0ba411bdb8e47fa47b6e19171646ae42c8dbb2735d12e555fb1a3 rtai-4.0.1.tar.bz2