diff --git a/circle.yml b/circle.yml
index 70b9caaff..a01965fe3 100644
--- a/circle.yml
+++ b/circle.yml
@@ -11,9 +11,9 @@ jobs:
       EUREKA_ADDR: http://localhost:8761/eureka     
     steps:
       - checkout
-      - run: wget -q https://storage.googleapis.com/golang/go1.11.linux-amd64.tar.gz
+      - run: wget -q https://storage.googleapis.com/golang/go1.13.5.linux-amd64.tar.gz
       - run: sudo rm -rf /usr/local/go
-      - run: sudo tar -C /usr/local -xzf go1.11.linux-amd64.tar.gz
+      - run: sudo tar -C /usr/local -xzf go1.13.5.linux-amd64.tar.gz
       - run: docker-compose -f docker-compose-integration.yml up -d --force-recreate
       - run: go get -t github.com/go-kit/kit/...
       - run: go test -v -race -tags integration github.com/go-kit/kit/...
diff --git a/transport/nats/subscriber_test.go b/transport/nats/subscriber_test.go
index 09ce8b66e..7ebf35013 100644
--- a/transport/nats/subscriber_test.go
+++ b/transport/nats/subscriber_test.go
@@ -9,11 +9,10 @@ import (
 	"testing"
 	"time"
 
-	"github.com/nats-io/nats-server/server"
-	"github.com/nats-io/nats.go"
-
 	"github.com/go-kit/kit/endpoint"
 	natstransport "github.com/go-kit/kit/transport/nats"
+	"github.com/nats-io/nats-server/server"
+	"github.com/nats-io/nats.go"
 )
 
 type TestResponse struct {