diff --git a/src/Command/AbstractCommand.php b/src/Command/AbstractCommand.php
index b2036c2f2..479c1052e 100644
--- a/src/Command/AbstractCommand.php
+++ b/src/Command/AbstractCommand.php
@@ -189,7 +189,7 @@ public function addUnique(string $table, string $name, array|string $columns): s
         return $this->setSql($sql)->requireTableSchemaRefresh($table);
     }
 
-    public function alterColumn(string $table, string $column, string|ColumnInterface $type): static
+    public function alterColumn(string $table, string $column, ColumnInterface|string $type): static
     {
         $sql = $this->getQueryBuilder()->alterColumn($table, $column, $type);
         return $this->setSql($sql)->requireTableSchemaRefresh($table);
diff --git a/src/Command/CommandInterface.php b/src/Command/CommandInterface.php
index 59ddcb890..955e28c3b 100644
--- a/src/Command/CommandInterface.php
+++ b/src/Command/CommandInterface.php
@@ -145,7 +145,7 @@ public function addPrimaryKey(string $table, string $name, array|string $columns
      *
      * Note: The method will quote the `table` and `column` parameters before using them in the generated SQL.
      */
-    public function alterColumn(string $table, string $column, string|ColumnInterface $type): static;
+    public function alterColumn(string $table, string $column, ColumnInterface|string $type): static;
 
     /**
      * Creates a batch INSERT command.
diff --git a/src/Debug/CommandInterfaceProxy.php b/src/Debug/CommandInterfaceProxy.php
index ebbccdd00..2ca7773c7 100644
--- a/src/Debug/CommandInterfaceProxy.php
+++ b/src/Debug/CommandInterfaceProxy.php
@@ -9,6 +9,7 @@
 use Yiisoft\Db\Command\CommandInterface;
 use Yiisoft\Db\Query\Data\DataReaderInterface;
 use Yiisoft\Db\Query\QueryInterface;
+use Yiisoft\Db\Schema\Builder\ColumnInterface;
 
 final class CommandInterfaceProxy implements CommandInterface
 {
@@ -92,7 +93,7 @@ public function addUnique(string $table, string $name, array|string $columns): s
     /**
      * @psalm-suppress  MixedArgument
      */
-    public function alterColumn(string $table, string $column, string $type): static
+    public function alterColumn(string $table, string $column, ColumnInterface|string $type): static
     {
         return new self($this->decorated->{__FUNCTION__}(...func_get_args()), $this->collector);
     }