diff --git a/src/Plankton/Properties/AssemblyInfo.cs b/src/Plankton/Properties/AssemblyInfo.cs
index bc244f5..c99f86a 100644
--- a/src/Plankton/Properties/AssemblyInfo.cs
+++ b/src/Plankton/Properties/AssemblyInfo.cs
@@ -32,7 +32,7 @@
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("0.4.0")]
+[assembly: AssemblyVersion("0.4.2")]
 
 // Make internal classes/members visible in other assemblies.
 [assembly: InternalsVisibleTo("PlanktonGh"),
diff --git a/src/PlanktonGh/PlanktonGh.csproj b/src/PlanktonGh/PlanktonGh.csproj
index 80b9d8b..708896e 100644
--- a/src/PlanktonGh/PlanktonGh.csproj
+++ b/src/PlanktonGh/PlanktonGh.csproj
@@ -66,6 +66,7 @@
       <DependentUpon>Resources.resx</DependentUpon>
     </Compile>
     <Compile Include="RhinoSupport.cs" />
+    <Compile Include="Properties\GrasshopperAssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Plankton\Plankton.csproj">
diff --git a/src/PlanktonGh/Properties/AssemblyInfo.cs b/src/PlanktonGh/Properties/AssemblyInfo.cs
index ed2eb9e..1dc4e86 100644
--- a/src/PlanktonGh/Properties/AssemblyInfo.cs
+++ b/src/PlanktonGh/Properties/AssemblyInfo.cs
@@ -32,4 +32,4 @@
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("0.4.0")]
+[assembly: AssemblyVersion("0.4.2")]
diff --git a/src/PlanktonGh/Properties/GrasshopperAssemblyInfo.cs b/src/PlanktonGh/Properties/GrasshopperAssemblyInfo.cs
new file mode 100644
index 0000000..5475374
--- /dev/null
+++ b/src/PlanktonGh/Properties/GrasshopperAssemblyInfo.cs
@@ -0,0 +1,40 @@
+using System;
+using Grasshopper.Kernel;
+
+namespace PlanktonGh
+{
+  public class PlanktonAssemblyInfo : GH_AssemblyInfo
+  {
+    public override string Name
+    {
+      get
+      {
+        return "plankton";
+      }
+    }
+
+    public override string Version
+    {
+      get
+      {
+        return "0.4.2";
+      }
+    }
+
+    public override string AuthorContact
+    {
+      get
+      {
+        return "http://www.grasshopper3d.com/group/plankton";
+      }
+    }
+
+    public override string AuthorName
+    {
+      get
+      {
+        return "Daniel Piker and Will Pearson";
+      }
+    }
+  }
+}