diff --git a/htdocs/core/modules/modDav.class.php b/htdocs/core/modules/modDav.class.php
index 92153d83688..bf0f3b1b189 100644
--- a/htdocs/core/modules/modDav.class.php
+++ b/htdocs/core/modules/modDav.class.php
@@ -91,7 +91,7 @@ class modDav extends DolibarrModules
 		$this->requiredby = array();	// List of module ids to disable if this one is disabled
 		$this->conflictwith = array();	// List of module class names as string this module is in conflict with
 		$this->langfiles = array("admin");
-		$this->phpmin = array(5,4);					// Minimum version of PHP required by module
+		$this->phpmin = array(5,6);					// Minimum version of PHP required by module
 		$this->need_dolibarr_version = array(7,0);	// Minimum version of Dolibarr required by module
 		$this->warnings_activation = array();                     // Warning to show when we activate module. array('always'='text') or array('FR'='textfr','ES'='textes'...)
 		$this->warnings_activation_ext = array();                 // Warning to show when we activate an external module. array('always'='text') or array('FR'='textfr','ES'='textes'...)