diff --git a/GCMC/CubePlacerEngine.cs b/GCMC/CubePlacerEngine.cs
index 9011b0c..e2db938 100644
--- a/GCMC/CubePlacerEngine.cs
+++ b/GCMC/CubePlacerEngine.cs
@@ -85,6 +85,7 @@ namespace GCMC
                             darkness = 5;
                             break;
                         case "AIR":
+                        case "DOUBLE_PLANT":
                             continue;
                         case "LOG":
                             id = BlockIDs.WoodCube;
@@ -98,6 +99,24 @@ namespace GCMC
                             id = BlockIDs.AluminiumCube;
                             color = BlockColors.Yellow;
                             break;
+                        case "LONG_GRASS":
+                            id = BlockIDs.Flower1;
+                            color = BlockColors.Default;
+                            break;
+                        case "YELLOW_FLOWER":
+                            id = BlockIDs.Flower2;
+                            color = BlockColors.Default;
+                            break;
+                        case "GRAVEL":
+                            id = BlockIDs.ConcreteCube;
+                            color = BlockColors.White;
+                            darkness = 7;
+                            break;
+                        case "CLAY":
+                            id = BlockIDs.ConcreteCube;
+                            color = BlockColors.White;
+                            darkness = 4;
+                            break;
                         default:
                             Console.WriteLine("Unknown block: " + blocks.Material);
                             continue;
diff --git a/GCMC/GCMC.csproj b/GCMC/GCMC.csproj
index b161140..7588c54 100644
--- a/GCMC/GCMC.csproj
+++ b/GCMC/GCMC.csproj
@@ -21,17 +21,14 @@
       <Reference Include="DataLoader, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null">
         <HintPath>..\ref\DataLoader.dll</HintPath>
       </Reference>
-      <Reference Include="GamecraftModdingAPI, Version=0.1.1.0, Culture=neutral, PublicKeyToken=null">
-        <HintPath>..\..\GamecraftModdingAPI\GamecraftModdingAPI\bin\Debug\net48\GamecraftModdingAPI.dll</HintPath>
-      </Reference>
-      <Reference Include="GamecraftModdingAPI, Version=0.1.2.0, Culture=neutral, PublicKeyToken=null">
-        <HintPath>..\..\GamecraftModdingAPI\GamecraftModdingAPI\bin\Debug\net48\GamecraftModdingAPI.dll</HintPath>
+      <Reference Include="GamecraftModdingAPI, Version=0.2.0.0, Culture=neutral, PublicKeyToken=null">
+        <HintPath>..\..\GamecraftModdingAPI\GamecraftModdingAPI\bin\Debug\net472\GamecraftModdingAPI.dll</HintPath>
       </Reference>
       <Reference Include="IllusionPlugin, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null">
         <HintPath>IllusionPlugin.dll</HintPath>
       </Reference>
-      <Reference Include="Newtonsoft.Json, Version=8.0.0.0, Culture=neutral, PublicKeyToken=null">
-        <HintPath>..\..\GamecraftModdingAPI\GamecraftModdingAPI\bin\Debug\net48\Newtonsoft.Json.dll</HintPath>
+      <Reference Include="Newtonsoft.Json, Version=12.0.1.0, Culture=neutral, PublicKeyToken=null">
+        <HintPath>..\..\GamecraftModdingAPI\GamecraftModdingAPI\bin\Debug\net472\Newtonsoft.Json.dll</HintPath>
       </Reference>
       <Reference Include="RobocraftX.Blocks, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null">
         <HintPath>..\ref\RobocraftX.Blocks.dll</HintPath>
diff --git a/GCMC/PlaceBlockPatch.cs b/GCMC/PlaceBlockPatch.cs
index f1e4e36..69fd431 100644
--- a/GCMC/PlaceBlockPatch.cs
+++ b/GCMC/PlaceBlockPatch.cs
@@ -2,7 +2,6 @@ using System.Reflection;
 using DataLoader;
 using Harmony;
 using JetBrains.Annotations;
-using RobocraftX.Blocks.GUI;
 using RobocraftX.Common;
 using RobocraftX.CR.MachineEditing;
 using RobocraftX.StateSync;
@@ -20,7 +19,7 @@ namespace GCMC
         {
             if (isAuthoritative)
             {
-                stateSyncReg.AddEngine(new CubePlacerEngine());
+                stateSyncReg.AddDeterministicEngine(new CubePlacerEngine());
                 Debug.Log($"Added Minecraft world import engine");
             }
             else
@@ -29,7 +28,7 @@ namespace GCMC
 
         static MethodBase TargetMethod(HarmonyInstance instance)
         {
-            return typeof(MachineEditingCompositionRoot).GetMethod("StateSyncCompose",
+            return typeof(MainEditingCompositionRoot).GetMethod("Compose",
                 BindingFlags.Public | BindingFlags.Static);
         }
     }