diff --git a/.travis.yml b/.travis.yml
index a61b3134..cb0fae2f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,8 +3,12 @@ language: go
 go_import_path: github.com/census-instrumentation/opencensus-service
 
 go:
-  - 1.10.x
+  - 1.11.x
  
+env:
+  global:
+    GO111MODULE=on
+
 install:
   - make install-tools
-  - go get -t -v ./...
+  - go get -v ./...
diff --git a/receiver/zipkin/proto_parse_test.go b/receiver/zipkin/proto_parse_test.go
index 297ba855..a564ae61 100644
--- a/receiver/zipkin/proto_parse_test.go
+++ b/receiver/zipkin/proto_parse_test.go
@@ -120,9 +120,9 @@ func TestConvertSpansToTraceSpans_protobuf(t *testing.T) {
 					Name: "svc-1",
 				},
 				Attributes: map[string]string{
-					"ipv4":        "192.168.0.1",
-					"serviceName": "svc-1",
-					"port":        "8009",
+					"ipv4":                              "192.168.0.1",
+					"serviceName":                       "svc-1",
+					"port":                              "8009",
 					"zipkin.remoteEndpoint.serviceName": "memcached",
 					"zipkin.remoteEndpoint.ipv6":        "fe80::1453:a77c:da4d:d21b",
 					"zipkin.remoteEndpoint.port":        "11211",
@@ -145,9 +145,9 @@ func TestConvertSpansToTraceSpans_protobuf(t *testing.T) {
 					Name: "search",
 				},
 				Attributes: map[string]string{
-					"ipv4":        "10.0.0.13",
-					"serviceName": "search",
-					"port":        "8009",
+					"ipv4":                              "10.0.0.13",
+					"serviceName":                       "search",
+					"port":                              "8009",
 					"zipkin.remoteEndpoint.serviceName": "redis",
 					"zipkin.remoteEndpoint.ipv6":        "fe80::1453:a77c:da4d:d21b",
 					"zipkin.remoteEndpoint.port":        "6379",