diff --git a/Gopkg.lock b/Gopkg.lock
index c679450b9..bee366923 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -682,6 +682,7 @@
     "github.com/tendermint/tendermint/crypto/ed25519",
     "github.com/tendermint/tendermint/crypto/encoding/amino",
     "github.com/tendermint/tendermint/crypto/merkle",
+    "github.com/tendermint/tendermint/crypto/multisig",
     "github.com/tendermint/tendermint/crypto/secp256k1",
     "github.com/tendermint/tendermint/crypto/tmhash",
     "github.com/tendermint/tendermint/crypto/xsalsa20symmetric",