diff --git a/Gopkg.lock b/Gopkg.lock
index b3ae25f..7c67684 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -43,6 +43,12 @@
   revision = "b4deda0973fb4c70b50d226b1af49f3da59f5265"
   version = "v1.1.0"
 
+[[projects]]
+  branch = "master"
+  name = "github.com/grpc-ecosystem/grpc-opentracing"
+  packages = ["go/otgrpc"]
+  revision = "8e809c8a86450a29b90dcc9efbf062d0fe6d9746"
+
 [[projects]]
   name = "github.com/jessevdk/go-flags"
   packages = ["."]
@@ -55,6 +61,16 @@
   packages = ["."]
   revision = "5650f26be7675b629fff8356a50d906fa03e9c8b"
 
+[[projects]]
+  name = "github.com/opentracing/opentracing-go"
+  packages = [
+    ".",
+    "ext",
+    "log"
+  ]
+  revision = "1949ddbfd147afd4d964a9f00b24eb291e0e7c38"
+  version = "v1.0.2"
+
 [[projects]]
   name = "github.com/pkg/errors"
   packages = ["."]
@@ -183,8 +199,8 @@
     "uast/transformer",
     "uast/yaml"
   ]
-  revision = "8c2793564a37d9cf6fe70555d4010504430ab01e"
-  version = "v2.4.0"
+  revision = "910019c320386fa99a2e283d80c5c1769717d545"
+  version = "v2.9.0"
 
 [[projects]]
   name = "gopkg.in/src-d/go-errors.v1"
@@ -201,6 +217,6 @@
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "cb3d0ccabcedb82c5862e6c473b3d555d2b72c11a0599f80c965941bd3c8c637"
+  inputs-digest = "ac25c758fff26b9500281f793438b3c26d9a0e2a200926d84304da64f4695efb"
   solver-name = "gps-cdcl"
   solver-version = 1
diff --git a/Gopkg.toml b/Gopkg.toml
index 564b56d..828a488 100644
--- a/Gopkg.toml
+++ b/Gopkg.toml
@@ -15,7 +15,7 @@
 
 [[constraint]]
   name = "gopkg.in/bblfsh/sdk.v2"
-  version = "2.4.x"
+  version = "2.9.x"
 
 [prune]
   go-tests = true
diff --git a/client.go b/client.go
index 2d606a8..e392851 100644
--- a/client.go
+++ b/client.go
@@ -25,6 +25,7 @@ func NewClientContext(ctx context.Context, endpoint string) (*Client, error) {
 		grpc.WithBlock(),
 		grpc.WithInsecure(),
 	}
+	opts = append(opts, protocol2.DialOptions()...)
 
 	conn, err := grpc.DialContext(ctx, endpoint, opts...)
 	if err != nil {