diff --git a/README.md b/README.md
index d4d9b3073..7b0ca9cd5 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ See the [user manual](https://omeka.org/s/docs/user-manual) for more information
 ### Requirements
 * Linux
 * [Apache](https://www.apache.org/) (with [AllowOverride](https://httpd.apache.org/docs/2.4/mod/core.html#allowoverride) set to "All" and [mod_rewrite](http://httpd.apache.org/docs/current/mod/mod_rewrite.html) enabled)
-* [MySQL](https://www.mysql.com/) 5.6.4+ (or [MariaDB](https://mariadb.org/) 10.0.5+)
+* [MySQL](https://www.mysql.com/) 5.7.9+ (or [MariaDB](https://mariadb.org/) 10.2.6+)
 * [PHP](https://www.php.net/) 7.4+ (latest stable version preferred, with [PDO](http://php.net/manual/en/intro.pdo.php), [pdo_mysql](http://php.net/manual/en/ref.pdo-mysql.php), and [xml](http://php.net/manual/en/intro.xml.php) extensions installed)
 
 ### Generating thumbnails
diff --git a/application/src/Stdlib/Environment.php b/application/src/Stdlib/Environment.php
index c45cc2f95..2c935e575 100644
--- a/application/src/Stdlib/Environment.php
+++ b/application/src/Stdlib/Environment.php
@@ -14,13 +14,15 @@ class Environment
 
     /**
      * The MySQL minimum version
+     * @see https://dev.mysql.com/doc/relnotes/mysql/5.7/en/
      */
-    const MYSQL_MINIMUM_VERSION = '5.6.4';
+    const MYSQL_MINIMUM_VERSION = '5.7.9';
 
     /**
      * The MariaDB minimum version
+     * @see https://mariadb.com/kb/en/changes-improvements-in-mariadb-10-2/#list-of-all-mariadb-102-releases
      */
-    const MARIADB_MINIMUM_VERSION = '10.0.5';
+    const MARIADB_MINIMUM_VERSION = '10.2.6';
 
     /**
      * The required PHP extensions