diff --git a/openapi3filter/validate_response_test.go b/openapi3filter/validate_response_test.go
index 2d8039593..5ce657b0b 100644
--- a/openapi3filter/validate_response_test.go
+++ b/openapi3filter/validate_response_test.go
@@ -6,8 +6,9 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/getkin/kin-openapi/openapi3"
 	"github.com/stretchr/testify/require"
+
+	"github.com/getkin/kin-openapi/openapi3"
 )
 
 func Test_validateResponseHeader(t *testing.T) {