diff --git a/Gopkg.lock b/Gopkg.lock
new file mode 100644
index 00000000..0bb388f3
--- /dev/null
+++ b/Gopkg.lock
@@ -0,0 +1,332 @@
+# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
+
+
+[[projects]]
+  branch = "master"
+  name = "github.com/aristanetworks/goarista"
+  packages = ["monotime"]
+  revision = "2c5933638c5ef1bc320b01486100788c81d57b99"
+
+[[projects]]
+  branch = "master"
+  name = "github.com/btcsuite/btcd"
+  packages = ["btcec"]
+  revision = "86fed781132ac890ee03e906e4ecd5d6fa180c64"
+
+[[projects]]
+  branch = "master"
+  name = "github.com/btcsuite/btcutil"
+  packages = ["bech32"]
+  revision = "d4cc87b860166d00d6b5b9e0d3b3d71d6088d4d4"
+
+[[projects]]
+  branch = "develop"
+  name = "github.com/cosmos/cosmos-sdk"
+  packages = [
+    "store",
+    "types",
+    "wire"
+  ]
+  revision = "08625633c62555cbd4ddc61238d35da520d942cb"
+
+[[projects]]
+  name = "github.com/davecgh/go-spew"
+  packages = ["spew"]
+  revision = "346938d642f2ec3594ed81d874461961cd0faa76"
+  version = "v1.1.0"
+
+[[projects]]
+  branch = "master"
+  name = "github.com/edsrzf/mmap-go"
+  packages = ["."]
+  revision = "0bce6a6887123b67a60366d2c9fe2dfb74289d2e"
+
+[[projects]]
+  name = "github.com/ethereum/go-ethereum"
+  packages = [
+    "common",
+    "common/bitutil",
+    "common/hexutil",
+    "common/math",
+    "common/mclock",
+    "consensus",
+    "consensus/ethash",
+    "consensus/misc",
+    "core",
+    "core/rawdb",
+    "core/state",
+    "core/types",
+    "core/vm",
+    "crypto",
+    "crypto/bn256",
+    "crypto/bn256/cloudflare",
+    "crypto/bn256/google",
+    "crypto/secp256k1",
+    "crypto/sha3",
+    "ethdb",
+    "event",
+    "log",
+    "metrics",
+    "p2p/netutil",
+    "params",
+    "rlp",
+    "rpc",
+    "trie"
+  ]
+  revision = "dea1ce052a10cd7d401a5c04f83f371a06fe293c"
+  version = "v1.8.11"
+
+[[projects]]
+  name = "github.com/go-kit/kit"
+  packages = [
+    "log",
+    "log/level",
+    "log/term"
+  ]
+  revision = "4dc7be5d2d12881735283bcab7352178e190fc71"
+  version = "v0.6.0"
+
+[[projects]]
+  name = "github.com/go-logfmt/logfmt"
+  packages = ["."]
+  revision = "390ab7935ee28ec6b286364bba9b4dd6410cb3d5"
+  version = "v0.3.0"
+
+[[projects]]
+  name = "github.com/go-stack/stack"
+  packages = ["."]
+  revision = "259ab82a6cad3992b4e21ff5cac294ccb06474bc"
+  version = "v1.7.0"
+
+[[projects]]
+  name = "github.com/gogo/protobuf"
+  packages = [
+    "gogoproto",
+    "jsonpb",
+    "proto",
+    "protoc-gen-gogo/descriptor",
+    "sortkeys",
+    "types"
+  ]
+  revision = "1adfc126b41513cc696b209667c8656ea7aac67c"
+  version = "v1.0.0"
+
+[[projects]]
+  name = "github.com/golang/protobuf"
+  packages = [
+    "proto",
+    "ptypes",
+    "ptypes/any",
+    "ptypes/duration",
+    "ptypes/timestamp"
+  ]
+  revision = "925541529c1fa6821df4e44ce2723319eb2be768"
+  version = "v1.0.0"
+
+[[projects]]
+  branch = "master"
+  name = "github.com/golang/snappy"
+  packages = ["."]
+  revision = "2e65f85255dbc3072edf28d6b5b8efc472979f5a"
+
+[[projects]]
+  branch = "master"
+  name = "github.com/hashicorp/golang-lru"
+  packages = [
+    ".",
+    "simplelru"
+  ]
+  revision = "0fb14efe8c47ae851c0034ed7a448854d3d34cf3"
+
+[[projects]]
+  branch = "master"
+  name = "github.com/jmhodges/levigo"
+  packages = ["."]
+  revision = "c42d9e0ca023e2198120196f842701bb4c55d7b9"
+
+[[projects]]
+  branch = "master"
+  name = "github.com/kr/logfmt"
+  packages = ["."]
+  revision = "b84e30acd515aadc4b783ad4ff83aff3299bdfe0"
+
+[[projects]]
+  name = "github.com/pkg/errors"
+  packages = ["."]
+  revision = "645ef00459ed84a119197bfb8d8205042c6df63d"
+  version = "v0.8.0"
+
+[[projects]]
+  name = "github.com/rs/cors"
+  packages = ["."]
+  revision = "ca016a06a5753f8ba03029c0aa5e54afb1bf713f"
+  version = "v1.4.0"
+
+[[projects]]
+  branch = "master"
+  name = "github.com/syndtr/goleveldb"
+  packages = [
+    "leveldb",
+    "leveldb/cache",
+    "leveldb/comparer",
+    "leveldb/errors",
+    "leveldb/filter",
+    "leveldb/iterator",
+    "leveldb/journal",
+    "leveldb/memdb",
+    "leveldb/opt",
+    "leveldb/storage",
+    "leveldb/table",
+    "leveldb/util"
+  ]
+  revision = "0d5a0ceb10cf9ab89fdd744cc8c50a83134f6697"
+
+[[projects]]
+  branch = "master"
+  name = "github.com/tendermint/ed25519"
+  packages = [
+    ".",
+    "edwards25519",
+    "extra25519"
+  ]
+  revision = "d8387025d2b9d158cf4efb07e7ebf814bcce2057"
+
+[[projects]]
+  name = "github.com/tendermint/go-amino"
+  packages = ["."]
+  revision = "2106ca61d91029c931fd54968c2bb02dc96b1412"
+  version = "0.10.1"
+
+[[projects]]
+  name = "github.com/tendermint/iavl"
+  packages = ["."]
+  revision = "9e5dc3e61f70b285bb25414452d47aca1ff34c1d"
+  version = "v0.8.2-rc0"
+
+[[projects]]
+  name = "github.com/tendermint/tendermint"
+  packages = [
+    "abci/types",
+    "crypto",
+    "crypto/merkle",
+    "crypto/tmhash",
+    "libs/bech32",
+    "libs/common",
+    "libs/db",
+    "libs/log",
+    "libs/pubsub",
+    "libs/pubsub/query",
+    "types"
+  ]
+  revision = "5923b6288fe8ce9581936ee97c2bf9cf9c02c2f4"
+  version = "v0.22.0-rc2"
+
+[[projects]]
+  branch = "master"
+  name = "golang.org/x/crypto"
+  packages = [
+    "internal/subtle",
+    "nacl/secretbox",
+    "openpgp/armor",
+    "openpgp/errors",
+    "poly1305",
+    "ripemd160",
+    "salsa20/salsa"
+  ]
+  revision = "a49355c7e3f8fe157a85be2f77e6e269a0f89602"
+
+[[projects]]
+  branch = "master"
+  name = "golang.org/x/net"
+  packages = [
+    "context",
+    "http/httpguts",
+    "http2",
+    "http2/hpack",
+    "idna",
+    "internal/timeseries",
+    "trace",
+    "websocket"
+  ]
+  revision = "ed29d75add3d7c4bf7ca65aac0c6df3d1420216f"
+
+[[projects]]
+  name = "golang.org/x/text"
+  packages = [
+    "collate",
+    "collate/build",
+    "internal/colltab",
+    "internal/gen",
+    "internal/tag",
+    "internal/triegen",
+    "internal/ucd",
+    "language",
+    "secure/bidirule",
+    "transform",
+    "unicode/bidi",
+    "unicode/cldr",
+    "unicode/norm",
+    "unicode/rangetable"
+  ]
+  revision = "f21a4dfb5e38f5895301dc265a8def02365cc3d0"
+  version = "v0.3.0"
+
+[[projects]]
+  name = "google.golang.org/genproto"
+  packages = ["googleapis/rpc/status"]
+  revision = "7fd901a49ba6a7f87732eb344f6e3c5b19d1b200"
+
+[[projects]]
+  name = "google.golang.org/grpc"
+  packages = [
+    ".",
+    "balancer",
+    "balancer/base",
+    "balancer/roundrobin",
+    "codes",
+    "connectivity",
+    "credentials",
+    "encoding",
+    "encoding/proto",
+    "grpclb/grpc_lb_v1/messages",
+    "grpclog",
+    "internal",
+    "keepalive",
+    "metadata",
+    "naming",
+    "peer",
+    "resolver",
+    "resolver/dns",
+    "resolver/passthrough",
+    "stats",
+    "status",
+    "tap",
+    "transport"
+  ]
+  revision = "d11072e7ca9811b1100b80ca0269ac831f06d024"
+  version = "v1.11.3"
+
+[[projects]]
+  name = "gopkg.in/fatih/set.v0"
+  packages = ["."]
+  revision = "57907de300222151a123d29255ed17f5ed43fad3"
+  version = "v0.1.0"
+
+[[projects]]
+  branch = "v2"
+  name = "gopkg.in/karalabe/cookiejar.v2"
+  packages = ["collections/prque"]
+  revision = "8dcd6a7f4951f6ff3ee9cbb919a06d8925822e57"
+
+[[projects]]
+  branch = "v2"
+  name = "gopkg.in/natefinch/npipe.v2"
+  packages = ["."]
+  revision = "c1b8fa8bdccecb0b8db834ee0b92fdbcfa606dd6"
+
+[solve-meta]
+  analyzer-name = "dep"
+  analyzer-version = 1
+  inputs-digest = "d2bdf0662ff705902bb01ca73dc55e89a4eb0b7f323b96d1ce84afa5d1253c0a"
+  solver-name = "gps-cdcl"
+  solver-version = 1
diff --git a/Gopkg.toml b/Gopkg.toml
index 9f8dde8b..3618d30b 100644
--- a/Gopkg.toml
+++ b/Gopkg.toml
@@ -1,6 +1,7 @@
 [[constraint]]
   name = "github.com/cosmos/cosmos-sdk"
-  version = "0.19.0"
+  # TODO: Replace with a stable tagged version
+  branch = "develop"
 
 [[constraint]]
   name = "github.com/ethereum/go-ethereum"
@@ -8,16 +9,16 @@
 
 [[constraint]]
   name = "github.com/tendermint/tendermint"
-  version = "0.22.0-rc2"
-
-[[constraint]]
-  name = "github.com/golang/protobuf"
-  version = "~1.0.0"
+  version = "=0.22.0-rc2"
 
 [[override]]
   name = "google.golang.org/genproto"
   revision = "7fd901a49ba6a7f87732eb344f6e3c5b19d1b200"
 
+[[override]]
+  name = "github.com/tendermint/go-wire"
+  version = "0.7.3"
+
 [prune]
   go-tests = true
   unused-packages = true