Try to fix issue with Host header

keycloak_client.go

@@ -247,6 +247,7 @@ func (c *Client) put(accessToken string, plugins ...plugin.Plugin) error {
 	req = applyPlugins(req, plugins...)
 	req, err = setAuthorisationAndHostHeaders(req, accessToken)
 
+
 	if err != nil {
 		return err
 	}
@@ -280,7 +281,8 @@ func setAuthorisationAndHostHeaders(req *gentleman.Request, accessToken string)
 	}
 
 	var r = req.SetHeader("Authorization", fmt.Sprintf("Bearer %s", accessToken))
-	return r.SetHeader("Host", host), nil
+	r.Context.Request.Host = host
+	return r, nil
 }
 
 // applyPlugins apply all the plugins to the request req.