diff --git a/ext_emconf.php b/ext_emconf.php
index 5adf4f6..c3cffe6 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -26,7 +26,7 @@
 	'CGLcompliance_note' => '',
 	'constraints' => array(
 		'depends' => array(
-			'php' => '5.3-5.6',
+			'php' => '5.3.0-5.6.99',
 			'typo3' => '6.2.0-7.99.99',
 			'static_info_tables' => ''
 		),