diff --git a/VERSION b/VERSION
index 2b7c5ae018..17b2ccd9bf 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.4.2
+0.4.3
diff --git a/src/Adapter/UdpAdapter.php b/src/Adapter/UdpAdapter.php
index bc9004ee30..e497b13b76 100644
--- a/src/Adapter/UdpAdapter.php
+++ b/src/Adapter/UdpAdapter.php
@@ -28,8 +28,7 @@ final class UdpAdapter extends AdapterAbstract
             $tags = array_replace_recursive($tags, $message["tags"]);
         }
 
-        $now = new DateTime();
-        $unixepoch = (int)($now->format("U") * 1e9);
+        $unixepoch = (int)(microtime(true) * 1e9);
         if (array_key_exists("time", $message)) {
             $dt = new DateTime($message["time"]);
             $unixepoch = (int)($dt->format("U") * 1e9);
diff --git a/tests/ClientTest.php b/tests/ClientTest.php
index 1bfb33db3d..ad5367b2e9 100644
--- a/tests/ClientTest.php
+++ b/tests/ClientTest.php
@@ -2,6 +2,7 @@
 namespace InfluxDB;
 
 use DateTime;
+use DateTimeZone;
 use InfluxDB\Adapter\GuzzleAdapter as InfluxHttpAdapter;
 use InfluxDB\Options;
 use InfluxDB\Adapter\UdpAdapter;
@@ -165,11 +166,8 @@ class ClientTest extends \PHPUnit_Framework_TestCase
         $object = $this->createClientWithUdpAdapter();
 
         $object->mark("udp.test", ["mark" => "element"]);
-        sleep(1);
         $object->mark("udp.test", ["mark" => "element1"]);
-        sleep(1);
         $object->mark("udp.test", ["mark" => "element2"]);
-        sleep(1);
         $object->mark("udp.test", ["mark" => "element3"]);
 
         // Wait UDP/IP message arrives
@@ -278,8 +276,8 @@ class ClientTest extends \PHPUnit_Framework_TestCase
 
         $this->assertCount(1, $body["results"][0]["series"][0]["values"]);
         $this->assertEquals("time", $body["results"][0]["series"][0]["columns"][0]);
-        $saved = new DateTime($body["results"][0]["series"][0]["values"][0][0]);
-        $this->assertEquals(date("Y-m-d"), $saved->format("Y-m-d"));
+        $saved = $body["results"][0]["series"][0]["values"][0][0];
+        $this->assertRegExp("/".date("Y-m-d")."/i", $saved);
     }
 
     /**