diff --git a/tm-bench/glide.lock b/tm-bench/glide.lock
index fbc00868b..4f1cab8c8 100644
--- a/tm-bench/glide.lock
+++ b/tm-bench/glide.lock
@@ -1,12 +1,12 @@
-hash: b963733b341869e0667dde0c93f9be17fdf002ab4e92ae8778562a2b94580de8
-updated: 2017-07-29T18:52:35.221739544Z
+hash: c6b00494f233e07baa1f506054b4a17fbd9230b7a7cf83469ddf32c1afb0aa6f
+updated: 2017-08-04T16:23:50.471665666Z
 imports:
 - name: github.com/btcsuite/btcd
   version: 47885ab8702485be6b6f87a03d4f3be0bc5c982c
   subpackages:
   - btcec
 - name: github.com/go-kit/kit
-  version: 19463ea8b215413a29c3513aa3a76181f4bac58d
+  version: 8e03b4c61a9cf94dd91cd842c7cdc669729e873f
   subpackages:
   - log
   - log/level
@@ -44,16 +44,12 @@ imports:
   - extra25519
 - name: github.com/tendermint/go-crypto
   version: 95b7c9e09c49b91bfbb71bb63dd514eb55450f16
-- name: github.com/tendermint/go-rpc
-  version: 15d5b2ac497da95cd2dceb9c087910ccec4dacb2
-  subpackages:
-  - types
 - name: github.com/tendermint/go-wire
   version: 5f88da3dbc1a72844e6dfaf274ce87f851d488eb
   subpackages:
   - data
 - name: github.com/tendermint/tendermint
-  version: b467515719e686e4678e6da4e102f32a491b85a0
+  version: 0013053fae3fb7611c392ebcff15352bb7ec717b
   subpackages:
   - config
   - p2p
@@ -71,12 +67,12 @@ imports:
   - log
   - merkle
 - name: github.com/tendermint/tools
-  version: d205ae1f98c946b2a057f62bfcd505b40ea52031
+  version: 0b1866f431f544592a5db4789859cf451b8250c4
   subpackages:
   - tm-monitor/eventmeter
   - tm-monitor/monitor
 - name: golang.org/x/crypto
-  version: 558b6879de74bc843225cde5686419267ff707ca
+  version: 42ff06aea7c329876e5a0fe94acc96902accf0ad
   subpackages:
   - curve25519
   - nacl/box
@@ -97,18 +93,18 @@ imports:
   - lex/httplex
   - trace
 - name: golang.org/x/text
-  version: 836efe42bb4aa16aaa17b9c155d8813d336ed720
+  version: 3bd178b88a8180be2df394a1fbb81313916f0e7b
   subpackages:
   - secure/bidirule
   - transform
   - unicode/bidi
   - unicode/norm
 - name: google.golang.org/genproto
-  version: b0a3dcfcd1a9bd48e63634bd8802960804cf8315
+  version: 09f6ed296fc66555a25fe4ce95173148778dfa85
   subpackages:
   - googleapis/rpc/status
 - name: google.golang.org/grpc
-  version: 971efedc2078cb1efd8111d12432813084bc628d
+  version: 53ae6b7e909cb0bc4525c4c4454756a43da867dd
   subpackages:
   - codes
   - credentials
diff --git a/tm-bench/glide.yaml b/tm-bench/glide.yaml
index 37d128bd0..f29969c74 100644
--- a/tm-bench/glide.yaml
+++ b/tm-bench/glide.yaml
@@ -6,17 +6,15 @@ import:
 - package: github.com/gorilla/websocket
 - package: github.com/pkg/errors
 - package: github.com/rcrowley/go-metrics
-- package: github.com/tendermint/go-rpc
-  version: develop
-  subpackages:
-  - types
 - package: github.com/tendermint/tendermint
+  version: 0013053fae3fb7611c392ebcff15352bb7ec717b
   subpackages:
+  - rpc/lib/types
   - types
 - package: github.com/tendermint/tmlibs
   subpackages:
   - log
 - package: github.com/tendermint/tools
-  version: develop
+  version: 0b1866f431f544592a5db4789859cf451b8250c4
   subpackages:
   - tm-monitor/monitor
diff --git a/tm-bench/transacter.go b/tm-bench/transacter.go
index 4720bf2e0..7a7ffb109 100644
--- a/tm-bench/transacter.go
+++ b/tm-bench/transacter.go
@@ -3,6 +3,7 @@ package main
 import (
 	"encoding/binary"
 	"encoding/hex"
+	"encoding/json"
 	"fmt"
 	"math/rand"
 	"net/http"
@@ -14,12 +15,12 @@ import (
 	"github.com/gorilla/websocket"
 	"github.com/pkg/errors"
 
-	rpctypes "github.com/tendermint/go-rpc/types"
+	rpctypes "github.com/tendermint/tendermint/rpc/lib/types"
 	"github.com/tendermint/tmlibs/log"
 )
 
 const (
-	sendTimeout = 500 * time.Millisecond
+	sendTimeout = 10 * time.Second
 	// see https://github.com/tendermint/go-rpc/blob/develop/server/handlers.go#L313
 	pingPeriod = (30 * 9 / 10) * time.Second
 )
@@ -124,13 +125,19 @@ func (t *transacter) sendLoop(connIndex int) {
 			for i := 0; i < t.Rate; i++ {
 				// each transaction embeds connection index and tx number
 				tx := generateTx(connIndex, txNumber)
+				paramsJson, err := json.Marshal(map[string]interface{}{"tx": hex.EncodeToString(tx)})
+				if err != nil {
+					fmt.Printf("failed to encode params: %v\n", err)
+					os.Exit(1)
+				}
+				rawParamsJson := json.RawMessage(paramsJson)
 
 				c.SetWriteDeadline(time.Now().Add(sendTimeout))
-				err := c.WriteJSON(rpctypes.RPCRequest{
+				err = c.WriteJSON(rpctypes.RPCRequest{
 					JSONRPC: "2.0",
 					ID:      "",
 					Method:  "broadcast_tx_async",
-					Params:  []interface{}{hex.EncodeToString(tx)},
+					Params:  &rawParamsJson,
 				})
 				if err != nil {
 					fmt.Printf("%v. Try increasing the connections count and reducing the rate.\n", errors.Wrap(err, "txs send failed"))