diff --git a/si/mn/simnode-runtime-api b/si/mn/simnode-runtime-api
new file mode 100644
index 00000000000..abd5d49ccbc
--- /dev/null
+++ b/si/mn/simnode-runtime-api
@@ -0,0 +1 @@
+{"name":"simnode-runtime-api","vers":"1.6.0","deps":[{"name":"codec","req":"^3.1.3","features":[],"optional":false,"default_features":false,"target":null,"kind":"normal","package":"parity-scale-codec"},{"name":"sp-api","req":"^26.0.0","features":[],"optional":false,"default_features":false,"target":null,"kind":"normal"},{"name":"sp-std","req":"^14.0.0","features":[],"optional":false,"default_features":false,"target":null,"kind":"normal"}],"cksum":"d6ff679d4634b044994463559e1986c869ed1f5b3e7aabd859ebd585d9b1506c","features":{"default":["std"],"std":["codec/std","sp-api/std","sp-std/std"]},"yanked":false}