diff --git a/composer.json b/composer.json
index 1da0fd1d6..c94bff4a4 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
   "type": "project",
   "license": "AGPLv3",
   "require": {
-    "php": ">=5.6.0",
+    "php": ">=7.0.8",
     "ext-ctype": "*",
     "ext-dom": "*",
     "ext-gd": "*",
@@ -37,7 +37,7 @@
   },
   "config": {
     "platform": {
-      "php": "5.6.0"
+      "php": "7.0.8"
     },
     "vendor-dir": "lib",
     "preferred-install": {
diff --git a/setup/setuputils.class.inc.php b/setup/setuputils.class.inc.php
index 18b40fd61..c746ca225 100644
--- a/setup/setuputils.class.inc.php
+++ b/setup/setuputils.class.inc.php
@@ -50,15 +50,15 @@ class CheckResult
 class SetupUtils
 {
 	// -- Minimum versions (requirements : forbids installation if not met)
-	const PHP_MIN_VERSION = '5.6.0'; // 5.6 will be supported until the end of 2018 (see http://php.net/supported-versions.php)
+	const PHP_MIN_VERSION = '7.0.8'; // 7.0 for embedded libs, see N°3129
 	const MYSQL_MIN_VERSION = '5.6.0'; // 5.6 to have fulltext on InnoDB for Tags fields (N°931)
 	const MYSQL_NOT_VALIDATED_VERSION = ''; // MySQL 8 is now OK (N°2010 in 2.7.0) but has no query cache so mind the perf on large volumes !
 
 	// -- versions that will be the minimum in next iTop major release (warning if not met)
-	const PHP_NEXT_MIN_VERSION = '7.1.3'; // we are aiming on switching to Symfony 4 in iTop 2.8
+	const PHP_NEXT_MIN_VERSION = '7.1.3';
 	const MYSQL_NEXT_MIN_VERSION = ''; // no new MySQL requirement for next iTop version
 	// -- First recent version that is not yet validated by Combodo (warning)
-	const PHP_NOT_VALIDATED_VERSION = '7.5.0';
+	const PHP_NOT_VALIDATED_VERSION = '8.0.0';
 
 	const MIN_MEMORY_LIMIT = '32M';
 	const SUHOSIN_GET_MAX_VALUE_LENGTH = 2048;