diff --git a/src/Directory.Packages.props b/src/Directory.Packages.props
index 6f95dac..621596c 100644
--- a/src/Directory.Packages.props
+++ b/src/Directory.Packages.props
@@ -7,9 +7,9 @@
     <PackageVersion Include="Glob" Version="1.1.9" />
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="8.0.1" />
     <PackageVersion Include="SimpleExec" Version="12.0.0" />
-    <PackageVersion Include="Speckle.Objects" Version="3.1.0-dev.215" />
-    <PackageVersion Include="Speckle.Sdk" Version="3.1.0-dev.215" />
-    <PackageVersion Include="Speckle.Sdk.Dependencies" Version="3.1.0-dev.215" />
+    <PackageVersion Include="Speckle.Objects" Version="3.1.0-dev.216" />
+    <PackageVersion Include="Speckle.Sdk" Version="3.1.0-dev.216" />
+    <PackageVersion Include="Speckle.Sdk.Dependencies" Version="3.1.0-dev.216" />
     <PackageVersion Include="Speckle.WebIfc" Version="0.0.64-speckle1" />
     <PackageVersion Include="System.CommandLine" Version="2.0.0-beta4.22272.1" />
     <GlobalPackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" />
diff --git a/src/Speckle.Importer.Tester/DummyServerObjectManager.cs b/src/Speckle.Importer.Tester/DummyServerObjectManager.cs
index cbca960..6f3f776 100644
--- a/src/Speckle.Importer.Tester/DummyServerObjectManager.cs
+++ b/src/Speckle.Importer.Tester/DummyServerObjectManager.cs
@@ -1,6 +1,6 @@
 using System.Text;
-using Speckle.Sdk.Dependencies.Serialization;
 using Speckle.Sdk.Serialisation.V2;
+using Speckle.Sdk.Serialisation.V2.Send;
 using Speckle.Sdk.Transports;
 
 namespace Speckle.Importer.Tester;
@@ -8,7 +8,7 @@ namespace Speckle.Importer.Tester;
 public class DummyServerObjectManager : IServerObjectManager
 {
   public IAsyncEnumerable<(string, string)> DownloadObjects(
-    IReadOnlyList<string> objectIds,
+    IReadOnlyCollection<string> objectIds,
     IProgress<ProgressArgs>? progress,
     CancellationToken cancellationToken
   ) => throw new NotImplementedException();
@@ -20,7 +20,7 @@ public class DummyServerObjectManager : IServerObjectManager
   ) => throw new NotImplementedException();
 
   public Task<Dictionary<string, bool>> HasObjects(
-    IReadOnlyList<string> objectIds,
+    IReadOnlyCollection<string> objectIds,
     CancellationToken cancellationToken
   ) => throw new NotImplementedException();
 
@@ -34,7 +34,7 @@ public class DummyServerObjectManager : IServerObjectManager
     long totalBytes = 0;
     foreach (var item in objects)
     {
-      totalBytes += Encoding.Default.GetByteCount(item.Json);
+      totalBytes += Encoding.Default.GetByteCount(item.Json.Value);
     }
 
     progress?.Report(new(ProgressEvent.UploadBytes, totalBytes, totalBytes));
diff --git a/src/Speckle.Importer.Tester/packages.lock.json b/src/Speckle.Importer.Tester/packages.lock.json
index ab2c11a..93d0132 100644
--- a/src/Speckle.Importer.Tester/packages.lock.json
+++ b/src/Speckle.Importer.Tester/packages.lock.json
@@ -212,8 +212,8 @@
           "Ara3D.Logging": "[1.4.5, )",
           "Ara3D.Utils": "[1.4.5, )",
           "Microsoft.Extensions.DependencyInjection": "[8.0.1, )",
-          "Speckle.Objects": "[3.1.0-dev.215, )",
-          "Speckle.Sdk": "[3.1.0-dev.215, )",
+          "Speckle.Objects": "[3.1.0-dev.216, )",
+          "Speckle.Sdk": "[3.1.0-dev.216, )",
           "Speckle.WebIfc": "[0.0.64-speckle1, )",
           "System.CommandLine": "[2.0.0-beta4.22272.1, )"
         }
@@ -253,18 +253,18 @@
       },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.215, )",
-        "resolved": "3.1.0-dev.215",
-        "contentHash": "NNiTR3dp1/4WNIv2WRHm87pr4WQztt9vVRALqULEUTcYrvb34xwnKwPwt3Ah5iXW1g3qkecXto5V7Ex+IIzeRQ==",
+        "requested": "[3.1.0-dev.216, )",
+        "resolved": "3.1.0-dev.216",
+        "contentHash": "oHyjQ0VFFcRNjgohlNQxtg1xxI6pNfpTNHZtkfVkQftb9ijbZ4MgG8nnW3vsBO/smRtBxynncrO9d3j40Iyqiw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.215"
+          "Speckle.Sdk": "3.1.0-dev.216"
         }
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.215, )",
-        "resolved": "3.1.0-dev.215",
-        "contentHash": "YMb7xdELiza88RSCUWcqmKJlrnoqjxlc1+Z1gEQSCfvFV0Ibvfjz08YAMkOWFc/ZaY9nBUZvshHEWYIskEk5cg==",
+        "requested": "[3.1.0-dev.216, )",
+        "resolved": "3.1.0-dev.216",
+        "contentHash": "tnsNOzooSIBhQk3BX3xudrRLL3A+n8ojfG81dJpKA8bSDOszdwPR2nWBJVA24KpZ6J3666jfRsi6NvAaxNFRcQ==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
           "Microsoft.CSharp": "4.7.0",
@@ -273,14 +273,14 @@
           "Microsoft.Extensions.Logging": "2.2.0",
           "Speckle.DoubleNumerics": "4.0.1",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.215"
+          "Speckle.Sdk.Dependencies": "3.1.0-dev.216"
         }
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.215, )",
-        "resolved": "3.1.0-dev.215",
-        "contentHash": "cT5HRu+pRBvfKTRJIvQBgdX2X5eeTebHe7zmNz82tFT0p65RsK9K7Ap9RjvMndbEPqFtt8/sCNa5RHyfrf+IUg=="
+        "requested": "[3.1.0-dev.216, )",
+        "resolved": "3.1.0-dev.216",
+        "contentHash": "v3EBevnZqcPres3xWn0mcnCCKhSLlqwTyfqUOTQSWHCCBBos8t0aBIQ21EBEkDaklaS7auj+Rk7vWByvgcrUbQ=="
       },
       "Speckle.WebIfc": {
         "type": "CentralTransitive",
@@ -296,4 +296,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/src/Speckle.WebIfc.Importer/Speckle.WebIfc.Importer.csproj b/src/Speckle.WebIfc.Importer/Speckle.WebIfc.Importer.csproj
index 0edc891..d149b58 100644
--- a/src/Speckle.WebIfc.Importer/Speckle.WebIfc.Importer.csproj
+++ b/src/Speckle.WebIfc.Importer/Speckle.WebIfc.Importer.csproj
@@ -7,7 +7,7 @@
  <PropertyGroup Label="Nuget Package Properties">
     <IsPackable>true</IsPackable>
     <IncludeSymbols>true</IncludeSymbols>
-    <version>0.0.6</version>
+    <version>0.0.7</version>
   </PropertyGroup>
   
   <ItemGroup>
diff --git a/src/Speckle.WebIfc.Importer/packages.lock.json b/src/Speckle.WebIfc.Importer/packages.lock.json
index ba1db7f..878869c 100644
--- a/src/Speckle.WebIfc.Importer/packages.lock.json
+++ b/src/Speckle.WebIfc.Importer/packages.lock.json
@@ -53,18 +53,18 @@
       },
       "Speckle.Objects": {
         "type": "Direct",
-        "requested": "[3.1.0-dev.215, )",
-        "resolved": "3.1.0-dev.215",
-        "contentHash": "NNiTR3dp1/4WNIv2WRHm87pr4WQztt9vVRALqULEUTcYrvb34xwnKwPwt3Ah5iXW1g3qkecXto5V7Ex+IIzeRQ==",
+        "requested": "[3.1.0-dev.216, )",
+        "resolved": "3.1.0-dev.216",
+        "contentHash": "oHyjQ0VFFcRNjgohlNQxtg1xxI6pNfpTNHZtkfVkQftb9ijbZ4MgG8nnW3vsBO/smRtBxynncrO9d3j40Iyqiw==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.215"
+          "Speckle.Sdk": "3.1.0-dev.216"
         }
       },
       "Speckle.Sdk": {
         "type": "Direct",
-        "requested": "[3.1.0-dev.215, )",
-        "resolved": "3.1.0-dev.215",
-        "contentHash": "YMb7xdELiza88RSCUWcqmKJlrnoqjxlc1+Z1gEQSCfvFV0Ibvfjz08YAMkOWFc/ZaY9nBUZvshHEWYIskEk5cg==",
+        "requested": "[3.1.0-dev.216, )",
+        "resolved": "3.1.0-dev.216",
+        "contentHash": "tnsNOzooSIBhQk3BX3xudrRLL3A+n8ojfG81dJpKA8bSDOszdwPR2nWBJVA24KpZ6J3666jfRsi6NvAaxNFRcQ==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
           "Microsoft.CSharp": "4.7.0",
@@ -73,7 +73,7 @@
           "Microsoft.Extensions.Logging": "2.2.0",
           "Speckle.DoubleNumerics": "4.0.1",
           "Speckle.Newtonsoft.Json": "13.0.2",
-          "Speckle.Sdk.Dependencies": "3.1.0-dev.215"
+          "Speckle.Sdk.Dependencies": "3.1.0-dev.216"
         }
       },
       "Speckle.WebIfc": {
@@ -277,10 +277,10 @@
       },
       "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.215, )",
-        "resolved": "3.1.0-dev.215",
-        "contentHash": "cT5HRu+pRBvfKTRJIvQBgdX2X5eeTebHe7zmNz82tFT0p65RsK9K7Ap9RjvMndbEPqFtt8/sCNa5RHyfrf+IUg=="
+        "requested": "[3.1.0-dev.216, )",
+        "resolved": "3.1.0-dev.216",
+        "contentHash": "v3EBevnZqcPres3xWn0mcnCCKhSLlqwTyfqUOTQSWHCCBBos8t0aBIQ21EBEkDaklaS7auj+Rk7vWByvgcrUbQ=="
       }
     }
   }
-}
+}
\ No newline at end of file