diff --git a/src/Spark.Mongo.Tests/Search/CriteriumQueryBuilderTests.cs b/src/Spark.Mongo.Tests/Search/CriteriumQueryBuilderTests.cs
index 78ab81f2..f7c49522 100644
--- a/src/Spark.Mongo.Tests/Search/CriteriumQueryBuilderTests.cs
+++ b/src/Spark.Mongo.Tests/Search/CriteriumQueryBuilderTests.cs
@@ -8,6 +8,7 @@
 using Hl7.Fhir.Utility;
 using MongoDB.Bson;
 using MongoDB.Bson.Serialization;
+using MongoDB.Driver;
 using Spark.Search;
 using Spark.Search.Mongo;
 using System.Linq;
@@ -113,8 +114,8 @@ private string BuildAndReturnQueryFilterAsJsonString(ResourceType resourceType,
         criterium.SearchParameters.AddRange(ModelInfo.SearchParameters.Where(p => p.Resource == resourceTypeAsString && p.Name == searchParameter));
 
         var filter = criterium.ToFilter(resourceType.GetLiteral());
-        var jsonFilter = filter?.Render(null, bsonSerializerRegistry)?.ToJson();
+        var jsonFilter = filter.Render(new RenderArgs<BsonDocument>(bsonSerializerRegistry.GetSerializer<BsonDocument>(), bsonSerializerRegistry)).ToJson();
 
         return jsonFilter;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Spark.Mongo/Spark.Mongo.csproj b/src/Spark.Mongo/Spark.Mongo.csproj
index 0d28a479..3477b92f 100644
--- a/src/Spark.Mongo/Spark.Mongo.csproj
+++ b/src/Spark.Mongo/Spark.Mongo.csproj
@@ -11,7 +11,7 @@
 
     <ItemGroup>
         <PackageReference Include="Hl7.Fhir.R4" Version="5.10.3" />
-        <PackageReference Include="MongoDB.Driver" Version="2.28.0" />
+        <PackageReference Include="MongoDB.Driver" Version="2.29.0" />
     </ItemGroup>
 
     <ItemGroup>