diff --git a/r1/cs/r1cs-zkinterface b/r1/cs/r1cs-zkinterface
new file mode 100644
index 00000000000..b7e123aa1cc
--- /dev/null
+++ b/r1/cs/r1cs-zkinterface
@@ -0,0 +1 @@
+{"name":"r1cs-zkinterface","vers":"0.1.2","deps":[{"name":"num","req":"^0.2.0","features":["rand"],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null},{"name":"r1cs","req":"^0.4.7","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null},{"name":"zkinterface","req":"^1.0.6","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null}],"cksum":"cbaae8c2fb1f25cca14095f7f5107b0c50ba19f30142e7de8f218c782d39a5f4","features":{},"yanked":false}