diff --git a/INSTALL.md b/INSTALL.md
index 5848f988..6c76e814 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -9,7 +9,7 @@ instance.
 
 ### Requirements
 
-- PHP version 5.2.6 or above
+- PHP version 5.3.0 or above
 - GD extension
 - mcrypt extension (recommended)
 - some disk space or (optional) a database supported by PDO
diff --git a/i18n/de.json b/i18n/de.json
index 60353d9f..e726bee6 100644
--- a/i18n/de.json
+++ b/i18n/de.json
@@ -2,8 +2,8 @@
     "en": "de",
     "Paste does not exist, has expired or has been deleted.":
         "Diesen Text gibt es nicht, er ist abgelaufen oder wurde gelöscht.",
-    "PrivateBin requires php 5.2.6 or above to work. Sorry.":
-        "PrivateBin benötigt PHP 5.2.6 oder höher, um zu funktionieren. Sorry.",
+    "PrivateBin requires php 5.3.0 or above to work. Sorry.":
+        "PrivateBin benötigt PHP 5.3.0 oder höher, um zu funktionieren. Sorry.",
     "PrivateBin requires configuration section [%s] to be present in configuration file.":
         "PrivateBin benötigt den Konfigurationsabschnitt [%s] in der Konfigurationsdatei um zu funktionieren.",
     "Please wait %d seconds between each post.":
diff --git a/i18n/fr.json b/i18n/fr.json
index 50d56023..fd4de966 100644
--- a/i18n/fr.json
+++ b/i18n/fr.json
@@ -2,8 +2,8 @@
     "en": "fr",
     "Paste does not exist, has expired or has been deleted.":
         "Le paste n'existe pas, a expiré, ou a été supprimé.",
-    "PrivateBin requires php 5.2.6 or above to work. Sorry.":
-        "Désolé, PrivateBin nécessite php 5.2.6 ou supérieur pour fonctionner.",
+    "PrivateBin requires php 5.3.0 or above to work. Sorry.":
+        "Désolé, PrivateBin nécessite php 5.3.0 ou supérieur pour fonctionner.",
     "PrivateBin requires configuration section [%s] to be present in configuration file.":
         "PrivateBin a besoin de la section de configuration [%s] dans le fichier de configuration pour fonctionner.",
     "Please wait %d seconds between each post.":
diff --git a/i18n/pl.json b/i18n/pl.json
index 6a1a63e8..0c60fbbe 100644
--- a/i18n/pl.json
+++ b/i18n/pl.json
@@ -2,8 +2,8 @@
     "en": "pl",
     "Paste does not exist, has expired or has been deleted.":
         "Wklejka nie istnieje, wygasła albo została usunięta.",
-    "PrivateBin requires php 5.2.6 or above to work. Sorry.":
-        "PrivateBin wymaga PHP w wersji 5.2.6 lub nowszej, sorry.",
+    "PrivateBin requires php 5.3.0 or above to work. Sorry.":
+        "PrivateBin wymaga PHP w wersji 5.3.0 lub nowszej, sorry.",
     "PrivateBin requires configuration section [%s] to be present in configuration file.":
         "PrivateBin wymaga obecności sekcji [%s] w pliku konfiguracyjnym.",
     "Please wait %d seconds between each post.":
diff --git a/i18n/sl.json b/i18n/sl.json
index a159bf8b..98978a4c 100644
--- a/i18n/sl.json
+++ b/i18n/sl.json
@@ -2,8 +2,8 @@
     "en": "sl",
     "Paste does not exist, has expired or has been deleted.":
         "Prilepek ne obstaja, mu je potekla življenjska doba, ali pa je izbrisan.",
-    "PrivateBin requires php 5.2.6 or above to work. Sorry.":
-        "Oprosti, PrivateBin za delovanje potrebuje vsaj php 5.2.6.",
+    "PrivateBin requires php 5.3.0 or above to work. Sorry.":
+        "Oprosti, PrivateBin za delovanje potrebuje vsaj php 5.3.0.",
     "PrivateBin requires configuration section [%s] to be present in configuration file.":
         "PrivateBin potrebuje sekcijo konfiguracij [%s] v konfiguracijski datoteki.",
     "Please wait %d seconds between each post.":
diff --git a/i18n/zh.json b/i18n/zh.json
index 6a407697..f7e6395e 100644
--- a/i18n/zh.json
+++ b/i18n/zh.json
@@ -2,8 +2,8 @@
     "en": "zh",
     "Paste does not exist, has expired or has been deleted.":
         "粘贴不存在，已过期或者已被删除。",
-    "PrivateBin requires php 5.2.6 or above to work. Sorry.":
-        "PrivateBin需要工作于PHP 5.2.6及以上版本，抱歉。",
+    "PrivateBin requires php 5.3.0 or above to work. Sorry.":
+        "PrivateBin需要工作于PHP 5.3.0及以上版本，抱歉。",
     "PrivateBin requires configuration section [%s] to be present in configuration file.":
         "PrivateBin需要设置配置文件中 [%s] 的部分。",
     "Please wait %d seconds between each post.":
diff --git a/lib/privatebin.php b/lib/privatebin.php
index f1f15a84..a159f9da 100644
--- a/lib/privatebin.php
+++ b/lib/privatebin.php
@@ -117,9 +117,9 @@ class privatebin
      */
     public function __construct()
     {
-        if (version_compare(PHP_VERSION, '5.2.6') < 0)
+        if (version_compare(PHP_VERSION, '5.3.0') < 0)
         {
-            throw new Exception(i18n::_('PrivateBin requires php 5.2.6 or above to work. Sorry.'), 1);
+            throw new Exception(i18n::_('PrivateBin requires php 5.3.0 or above to work. Sorry.'), 1);
         }
 
         // load config from ini file