diff --git a/src/AbstractMigration.php b/src/AbstractMigration.php
index 61a85922..3f3a39ed 100644
--- a/src/AbstractMigration.php
+++ b/src/AbstractMigration.php
@@ -13,7 +13,10 @@
  */
 namespace Migrations;
 
+use Phinx\Db\Adapter\AdapterInterface;
 use Phinx\Migration\AbstractMigration as BaseAbstractMigration;
+use Phinx\Migration\MigrationInterface;
+use function Cake\Core\deprecationWarning;
 
 /**
  * @deprecated 4.5.0 You should use Migrations\BaseMigration for new migrations.
@@ -32,6 +35,19 @@ class AbstractMigration extends BaseAbstractMigration
      */
     public bool $autoId = true;
 
+    /**
+     * @inheritDoc
+     */
+    public function setAdapter(AdapterInterface $adapter): MigrationInterface
+    {
+        deprecationWarning(
+            '4.5.0',
+            'Migrations\AbstractMigration is deprecated. Use Migrations\BaseMigration instead.',
+        );
+
+        return parent::setAdapter($adapter);
+    }
+
     /**
      * Hook method to decide if this migration should use transactions
      *
diff --git a/src/AbstractSeed.php b/src/AbstractSeed.php
index 2e51b926..86c6addf 100644
--- a/src/AbstractSeed.php
+++ b/src/AbstractSeed.php
@@ -17,6 +17,7 @@
 use Phinx\Seed\AbstractSeed as BaseAbstractSeed;
 use Symfony\Component\Console\Input\ArgvInput;
 use Symfony\Component\Console\Input\InputInterface;
+use function Cake\Core\deprecationWarning;
 use function Cake\Core\pluginSplit;
 
 /**
@@ -35,6 +36,17 @@ abstract class AbstractSeed extends BaseAbstractSeed
      */
     protected InputInterface $input;
 
+    /**
+     * Constructor
+     */
+    public function __construct()
+    {
+        deprecationWarning(
+            '4.5.0',
+            'Migrations\AbstractSeed is deprecated. Use Migrations\BaseSeed instead.',
+        );
+    }
+
     /**
      * Gives the ability to a seeder to call another seeder.
      * This is particularly useful if you need to run the seeders of your applications in a specific sequences,