3 files changed, 4 insertions, 2 deletions
diff --git a/CHANGELOG b/CHANGELOG
index e2a39efba..ce93d4c0d 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,8 @@
 CHANGELOG Roundcube Webmail
 ===========================
 
+- Require PHP 5.2.1 or greater
+
 RELEASE 0.5
 -----------
 - Fix double-login/session issue (#1487104)
diff --git a/INSTALL b/INSTALL
index eb8399786..49aae922a 100644
--- a/INSTALL
+++ b/INSTALL
@@ -11,7 +11,7 @@ REQUIREMENTS
 
 * The Apache or Lighttpd Webserver
 * .htaccess support allowing overrides for DirectoryIndex
-* PHP Version 5.2 or greater including
+* PHP Version 5.2.1 or greater including
    - PCRE, DOM, JSON, XML, Session, Sockets (required)
    - libiconv (recommended)
    - mbstring, fileinfo, mcrypt (optional)
diff --git a/installer/check.php b/installer/check.php
index 7fa4d95d3..0ba5f58de 100644
--- a/installer/check.php
+++ b/installer/check.php
@@ -68,7 +68,7 @@ echo '<input type="hidden" name="_step" value="' . ($RCI->configured ? 3 : 2) .
 <h3>Checking PHP version</h3>
 <?php
 
-define('MIN_PHP_VERSION', '5.2.0');
+define('MIN_PHP_VERSION', '5.2.1');
 if (version_compare(PHP_VERSION, MIN_PHP_VERSION, '>=')) {
     $RCI->pass('Version', 'PHP ' . PHP_VERSION . ' detected');
 } else {