diff --git a/build.sh b/build.sh
old mode 100644
new mode 100755
diff --git a/clients/baseclient/client_util.go b/clients/baseclient/client_util.go
index 34d6cb0..7191209 100644
--- a/clients/baseclient/client_util.go
+++ b/clients/baseclient/client_util.go
@@ -31,7 +31,7 @@ func shouldRetry(err error) bool {
 	if ok {
 		httpCode := ae.Code
 		httpCodeMajorDigit := httpCode / 100
-		if httpCodeMajorDigit == 5 {
+		if httpCodeMajorDigit == 5 || httpCodeMajorDigit == 4 {
 			return true
 		}
 	}
diff --git a/vendor/github.com/go-openapi/runtime/client/runtime.go b/vendor/github.com/go-openapi/runtime/client/runtime.go
index 48e2f09..325dae6 100644
--- a/vendor/github.com/go-openapi/runtime/client/runtime.go
+++ b/vendor/github.com/go-openapi/runtime/client/runtime.go
@@ -276,7 +276,8 @@ func (r *Runtime) Submit(operation *runtime.ClientOperation) (interface{}, error
 	})
 
 	if r.Debug {
-		b, err2 := httputil.DumpRequestOut(req, true)
+		var isMultipartRequest = strings.Contains(req.Header.Get("Content-type"), "multipart/form-data")
+		b, err2 := httputil.DumpRequestOut(req, !isMultipartRequest)
 		if err2 != nil {
 			return nil, err2
 		}