diff --git a/composer.json b/composer.json
index dfdad5d..243ea3b 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
   "type": "drupal-core",
   "license": "GPL-2.0+",
   "require": {
-    "php": ">=5.4.2",
+    "php": ">=5.4.4-14",
     "sdboyer/gliph": "0.1.*",
     "symfony/class-loader": "2.5.*",
     "symfony/css-selector": "2.5.*",
diff --git a/core/INSTALL.txt b/core/INSTALL.txt
index f985620..d96fa47 100644
--- a/core/INSTALL.txt
+++ b/core/INSTALL.txt
@@ -19,7 +19,8 @@ Drupal requires:
 - A web server with PHP support, for example:
   - Apache 2.0 (or greater) (http://httpd.apache.org/).
   - Nginx 1.1 (or greater) (http://www.nginx.com/).
-- PHP 5.4.2 (or greater) (http://www.php.net/).
+- PHP 5.4.5 (or greater) (http://www.php.net/) or the version that ships with
+  Debian wheezy (5.4.4-14) (https://www.debian.org/releases/wheezy/).
 - 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 6b199ec..338092c 100644
--- a/core/includes/bootstrap.inc
+++ b/core/includes/bootstrap.inc
@@ -22,7 +22,7 @@
 /**
  * Minimum supported version of PHP.
  */
-const DRUPAL_MINIMUM_PHP = '5.4.2';
+const DRUPAL_MINIMUM_PHP = '5.4.4-14';
 
 /**
  * Minimum recommended value of PHP memory_limit.
diff --git a/core/install.php b/core/install.php
index 156ff91..7c8a2b4 100644
--- a/core/install.php
+++ b/core/install.php
@@ -21,7 +21,7 @@
 // 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, '5.4.2') < 0) {
+if (version_compare(PHP_VERSION, '5.4.4-14') < 0) {
   print 'Your PHP installation is too old. Drupal requires at least PHP 5.4.2. See the <a href="http://drupal.org/requirements">system requirements</a> page for more information.';
   exit;
 }
diff --git a/core/scripts/password-hash.sh b/core/scripts/password-hash.sh
index 38bc726..41d9785 100755
--- a/core/scripts/password-hash.sh
+++ b/core/scripts/password-hash.sh
@@ -15,11 +15,11 @@
   return;
 }
 
-if (version_compare(PHP_VERSION, "5.4.2", "<")) {
+if (version_compare(PHP_VERSION, "5.4.4-14", "<")) {
   $version  = PHP_VERSION;
   echo <<<EOF
 
-ERROR: This script requires at least PHP version 5.4.2. You invoked it with
+ERROR: This script requires at least PHP version 5.4.5. You invoked it with
        PHP version {$version}.
 \n
 EOF;
@@ -67,4 +67,3 @@
   print("\npassword: $password \t\thash: ". $password_hasher->hash($password) ."\n");
 }
 print("\n");
-