diff --git a/src/db.php b/src/db.php
index 7e70a09..e00ce03 100644
--- a/src/db.php
+++ b/src/db.php
@@ -2826,8 +2826,9 @@ public function has_cap($db_cap)
          */
         public function db_version()
         {
-            // WordPress currently requires this to be 5.0 or greater.
-            return '5.5';
+            // WordPress currently requires this to be 5.5.5 or greater.
+            // See https://github.com/WordPress/wordpress-develop/blob/308271cd35c3c71548f6bece6746e67fc4aa6d89/src/wp-includes/version.php#L47
+            return '5.5.5';
         }
 
         /**