diff --git a/core/INSTALL.sqlite.txt b/core/INSTALL.sqlite.txt
index b4bfcef472f8f8a..4e64756a1e235a3 100644
--- a/core/INSTALL.sqlite.txt
+++ b/core/INSTALL.sqlite.txt
@@ -3,7 +3,7 @@ SQLITE REQUIREMENTS
 -------------------
 
 To use SQLite with your Drupal installation, the following requirements must be
-met: Server has PHP 5.3.2 or later with PDO, and the PDO SQLite driver must be
+met: Server has PHP 5.3.3 or later with PDO, and the PDO SQLite driver must be
 enabled.
 
 SQLITE DATABASE CREATION
diff --git a/core/INSTALL.txt b/core/INSTALL.txt
index 245e934cb727c4d..5c0c7b24860bb3f 100644
--- a/core/INSTALL.txt
+++ b/core/INSTALL.txt
@@ -15,7 +15,7 @@ REQUIREMENTS AND NOTES
 Drupal requires:
 
 - A web server. Apache (version 2.0 or greater) is recommended.
-- PHP 5.3.2 (or greater) (http://www.php.net/).
+- PHP 5.3.3 (or greater) (http://www.php.net/).
 - One of the following databases:
   - MySQL 5.0.15 (or greater) (http://www.mysql.com/).
   - MariaDB 5.1.44 (or greater) (http://mariadb.org/). MariaDB is a fully
diff --git a/core/includes/bootstrap.inc b/core/includes/bootstrap.inc
index a7002355768279b..26dfb204b46f59c 100644
--- a/core/includes/bootstrap.inc
+++ b/core/includes/bootstrap.inc
@@ -22,7 +22,7 @@ const DRUPAL_CORE_COMPATIBILITY = '8.x';
 /**
  * Minimum supported version of PHP.
  */
-const DRUPAL_MINIMUM_PHP = '5.3.2';
+const DRUPAL_MINIMUM_PHP = '5.3.3';
 
 /**
  * Minimum recommended value of PHP memory_limit.
diff --git a/core/install.php b/core/install.php
index 7e908bd5528926e..3ea85ff8500a64a 100644
--- a/core/install.php
+++ b/core/install.php
@@ -26,8 +26,8 @@ define('MAINTENANCE_MODE', 'install');
 // The minimum version is specified explicitly, as DRUPAL_MINIMUM_PHP is not
 // yet available. It is defined in bootstrap.inc, but it is not possible to
 // load that file yet as it would cause a fatal error on older versions of PHP.
-if (version_compare(PHP_VERSION, '5.3.2') < 0) {
-  print 'Your PHP installation is too old. Drupal requires at least PHP 5.3.2. See the <a href="http://drupal.org/requirements">system requirements</a> page for more information.';
+if (version_compare(PHP_VERSION, '5.3.3') < 0) {
+  print 'Your PHP installation is too old. Drupal requires at least PHP 5.3.3. See the <a href="http://drupal.org/requirements">system requirements</a> page for more information.';
   exit;
 }
 
diff --git a/core/update.php b/core/update.php
index 4d74c7e07007fa2..4ddab838666c604 100644
--- a/core/update.php
+++ b/core/update.php
@@ -26,8 +26,8 @@ define('DRUPAL_ROOT', getcwd());
 // The minimum version is specified explicitly, as DRUPAL_MINIMUM_PHP is not
 // yet available. It is defined in bootstrap.inc, but it is not possible to
 // load that file yet as it would cause a fatal error on older versions of PHP.
-if (version_compare(PHP_VERSION, '5.3.2') < 0) {
-  print 'Your PHP installation is too old. Drupal requires at least PHP 5.3.2. See the <a href="http://drupal.org/requirements">system requirements</a> page for more information.';
+if (version_compare(PHP_VERSION, '5.3.3') < 0) {
+  print 'Your PHP installation is too old. Drupal requires at least PHP 5.3.3. See the <a href="http://drupal.org/requirements">system requirements</a> page for more information.';
   exit;
 }