diff --git a/lib/Doctrine/ODM/MongoDB/Configuration.php b/lib/Doctrine/ODM/MongoDB/Configuration.php
index 18eacc5f79..6aef5f2189 100644
--- a/lib/Doctrine/ODM/MongoDB/Configuration.php
+++ b/lib/Doctrine/ODM/MongoDB/Configuration.php
@@ -9,6 +9,7 @@
 use Doctrine\Common\Cache\Psr6\CacheAdapter;
 use Doctrine\Common\Cache\Psr6\DoctrineProvider;
 use Doctrine\ODM\MongoDB\Mapping\ClassMetadataFactory;
+use Doctrine\ODM\MongoDB\Mapping\ClassMetadataFactoryInterface;
 use Doctrine\ODM\MongoDB\Mapping\Driver\AnnotationDriver;
 use Doctrine\ODM\MongoDB\PersistentCollection\DefaultPersistentCollectionFactory;
 use Doctrine\ODM\MongoDB\PersistentCollection\DefaultPersistentCollectionGenerator;
@@ -86,7 +87,7 @@ class Configuration
      * @psalm-var array{
      *      autoGenerateHydratorClasses?: self::AUTOGENERATE_*,
      *      autoGeneratePersistentCollectionClasses?: self::AUTOGENERATE_*,
-     *      classMetadataFactoryName?: class-string<ClassMetadataFactory>,
+     *      classMetadataFactoryName?: class-string<ClassMetadataFactoryInterface>,
      *      defaultCommitOptions?: CommitOptions,
      *      defaultDocumentRepositoryClassName?: class-string<ObjectRepository<object>>,
      *      defaultGridFSRepositoryClassName?: class-string<GridFSRepository<object>>,
@@ -409,13 +410,23 @@ public function getDefaultDB(): ?string
         return $this->attributes['defaultDB'] ?? null;
     }
 
-    /** @psalm-param class-string<ClassMetadataFactory> $cmfName */
+    /**
+     * @psalm-param class-string<ClassMetadataFactoryInterface> $cmfName
+     *
+     * @throws MongoDBException If is not a ClassMetadataFactoryInterface.
+     */
     public function setClassMetadataFactoryName(string $cmfName): void
     {
+        $reflectionClass = new ReflectionClass($cmfName);
+
+        if (! $reflectionClass->implementsInterface(ClassMetadataFactoryInterface::class)) {
+            throw MongoDBException::invalidClassMetadataFactory($cmfName);
+        }
+
         $this->attributes['classMetadataFactoryName'] = $cmfName;
     }
 
-    /** @psalm-return class-string<ClassMetadataFactory> */
+    /** @psalm-return class-string<ClassMetadataFactoryInterface> */
     public function getClassMetadataFactoryName(): string
     {
         if (! isset($this->attributes['classMetadataFactoryName'])) {
@@ -474,7 +485,7 @@ public function getFilterParameters(string $name): array
     /**
      * @psalm-param class-string<ObjectRepository<object>> $className
      *
-     * @throws MongoDBException If not is a ObjectRepository.
+     * @throws MongoDBException If is not an ObjectRepository.
      */
     public function setDefaultDocumentRepositoryClassName(string $className): void
     {
diff --git a/lib/Doctrine/ODM/MongoDB/DocumentManager.php b/lib/Doctrine/ODM/MongoDB/DocumentManager.php
index 8c07a1b603..082c5230c6 100644
--- a/lib/Doctrine/ODM/MongoDB/DocumentManager.php
+++ b/lib/Doctrine/ODM/MongoDB/DocumentManager.php
@@ -8,6 +8,7 @@
 use Doctrine\ODM\MongoDB\Hydrator\HydratorFactory;
 use Doctrine\ODM\MongoDB\Mapping\ClassMetadata;
 use Doctrine\ODM\MongoDB\Mapping\ClassMetadataFactory;
+use Doctrine\ODM\MongoDB\Mapping\ClassMetadataFactoryInterface;
 use Doctrine\ODM\MongoDB\Mapping\MappingException;
 use Doctrine\ODM\MongoDB\Proxy\Factory\ProxyFactory;
 use Doctrine\ODM\MongoDB\Proxy\Factory\StaticProxyFactory;
@@ -69,7 +70,7 @@ class DocumentManager implements ObjectManager
     /**
      * The metadata factory, used to retrieve the ODM metadata of document classes.
      */
-    private ClassMetadataFactory $metadataFactory;
+    private ClassMetadataFactoryInterface $metadataFactory;
 
     /**
      * The UnitOfWork used to coordinate object-level transactions.
diff --git a/lib/Doctrine/ODM/MongoDB/Mapping/ClassMetadataFactory.php b/lib/Doctrine/ODM/MongoDB/Mapping/ClassMetadataFactory.php
index 6f20f8d3bf..0afc9e6f93 100644
--- a/lib/Doctrine/ODM/MongoDB/Mapping/ClassMetadataFactory.php
+++ b/lib/Doctrine/ODM/MongoDB/Mapping/ClassMetadataFactory.php
@@ -43,7 +43,7 @@
  * @method ClassMetadata[] getLoadedMetadata()
  * @method ClassMetadata getMetadataFor($className)
  */
-final class ClassMetadataFactory extends AbstractClassMetadataFactory
+final class ClassMetadataFactory extends AbstractClassMetadataFactory implements ClassMetadataFactoryInterface
 {
     /** @var string */
     protected $cacheSalt = '$MONGODBODMCLASSMETADATA';
diff --git a/lib/Doctrine/ODM/MongoDB/Mapping/ClassMetadataFactoryInterface.php b/lib/Doctrine/ODM/MongoDB/Mapping/ClassMetadataFactoryInterface.php
new file mode 100644
index 0000000000..cf08ce2579
--- /dev/null
+++ b/lib/Doctrine/ODM/MongoDB/Mapping/ClassMetadataFactoryInterface.php
@@ -0,0 +1,20 @@
+<?php
+
+namespace Doctrine\ODM\MongoDB\Mapping;
+
+use Doctrine\ODM\MongoDB\Configuration;
+use Doctrine\ODM\MongoDB\DocumentManager;
+use Doctrine\Persistence\Mapping\ClassMetadataFactory;
+
+interface ClassMetadataFactoryInterface extends ClassMetadataFactory
+{
+    /**
+     * Sets the configuration for the factory
+     */
+    public function setConfiguration(Configuration $config): void;
+
+    /**
+     * Sets the document manager owning the factory
+     */
+    public function setDocumentManager(DocumentManager $dm): void;
+}
\ No newline at end of file
diff --git a/lib/Doctrine/ODM/MongoDB/MongoDBException.php b/lib/Doctrine/ODM/MongoDB/MongoDBException.php
index 9b95abb1e1..d10838f173 100644
--- a/lib/Doctrine/ODM/MongoDB/MongoDBException.php
+++ b/lib/Doctrine/ODM/MongoDB/MongoDBException.php
@@ -4,6 +4,7 @@
 
 namespace Doctrine\ODM\MongoDB;
 
+use Doctrine\ODM\MongoDB\Mapping\ClassMetadataFactoryInterface;
 use Doctrine\ODM\MongoDB\Repository\GridFSRepository;
 use Doctrine\Persistence\ObjectRepository;
 use Exception;
@@ -61,6 +62,11 @@ public static function invalidGridFSRepository(string $className): self
         return new self(sprintf("Invalid repository class '%s'. It must be a %s.", $className, GridFSRepository::class));
     }
 
+    public static function invalidClassMetadataFactory(string $className): self
+    {
+        return new self(sprintf("Invalid class metadata factory class '%s'. It must be a %s.", $className, ClassMetadataFactoryInterface::class));
+    }
+
     /**
      * @param string|string[] $expected
      * @param mixed           $got