diff --git a/gradle.properties b/gradle.properties
index 036fa865..f7f94d62 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -14,7 +14,7 @@ jansiVersion=2.4.0
 javaParserCoreVersion=3.15.14
 junitJupiterVersion=5.8.1
 mongoJavaServerVersion=1.28.0
-mongodbDriverVersion=4.3.3
+mongodbDriverVersion=4.4.0
 mongodbRxDriverVersion=1.10.0
 pluginGrailsVersion=5.0.0
 projectVersion=7.1.1-SNAPSHOT
diff --git a/grails-datastore-gorm-mongodb/src/test/groovy/org/grails/datastore/gorm/mongo/EmbeddedWithNonEmbeddedCollectionsSpec.groovy b/grails-datastore-gorm-mongodb/src/test/groovy/org/grails/datastore/gorm/mongo/EmbeddedWithNonEmbeddedCollectionsSpec.groovy
index fada2d89..f6e40e0e 100644
--- a/grails-datastore-gorm-mongodb/src/test/groovy/org/grails/datastore/gorm/mongo/EmbeddedWithNonEmbeddedCollectionsSpec.groovy
+++ b/grails-datastore-gorm-mongodb/src/test/groovy/org/grails/datastore/gorm/mongo/EmbeddedWithNonEmbeddedCollectionsSpec.groovy
@@ -43,9 +43,9 @@ class EmbeddedWithNonEmbeddedCollectionsSpec extends GormDatastoreSpec{
         shipDbo.crew.sailors.size() == 2
         shipDbo.crew.sailors == [fred.id, joe.id]
         shipDbo.crew.reserves.size() == 2
-        shipDbo.crew.reserves[0] instanceof DBRef
-        shipDbo.crew.reserves[0].id == Sailor.findByName('Tristan').id
-        shipDbo.crew.reserves[0].collectionName == 'sailor'
+        shipDbo.crew.reserves[0] instanceof Map
+        shipDbo.crew.reserves[0].$id == Sailor.findByName('Tristan').id
+        shipDbo.crew.reserves[0].$ref == 'sailor'
 
         when:"The domain model is queried"
         session.clear()