diff --git a/core/INSTALL.txt b/core/INSTALL.txt
index 079533c..0eaa10c 100644
--- a/core/INSTALL.txt
+++ b/core/INSTALL.txt
@@ -21,11 +21,11 @@ Drupal requires:
 - PHP 5.4.5 (or greater) (http://php.net/). For better security support its
   recommended to update to at least 5.5.21 or 5.6.5.
 - One of the following databases:
-  - MySQL 5.0.15 (or greater) (http://www.mysql.com/).
-  - MariaDB 5.1.44 (or greater) (https://mariadb.org/). MariaDB is a fully
+  - MySQL 5.5.3 (or greater) (http://www.mysql.com/).
+  - MariaDB 5.5.3 (or greater) (https://mariadb.org/). MariaDB is a fully
     compatible drop-in replacement for MySQL.
-  - Percona Server 5.1.70 (or greater) (http://www.percona.com/). Percona
-    Server is a backwards-compatible replacement for MySQL.
+  - Percona Server 5.5.3 (or greater) (http://www.percona.com/). Percona Server
+    is a backwards-compatible replacement for MySQL.
   - PostgreSQL 8.3 (or greater) (http://www.postgresql.org/).
   - SQLite 3.4.2 (or greater) (http://www.sqlite.org/).