diff --git a/PepperDashEssentials.sln b/PepperDashEssentials.sln
index c6e35a27..d49b4ed1 100644
--- a/PepperDashEssentials.sln
+++ b/PepperDashEssentials.sln
@@ -9,6 +9,9 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PepperDashEssentials", "Pep
 	EndProjectSection
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PepperDash_Essentials_Core", "essentials-framework\Essentials Core\PepperDashEssentialsBase\PepperDash_Essentials_Core.csproj", "{A49AD6C8-FC0A-4CC0-9089-DFB4CF92D2B5}"
+	ProjectSection(ProjectDependencies) = postProject
+		{E51D7C84-4906-486C-B2BA-EEB3B4E9731B} = {E51D7C84-4906-486C-B2BA-EEB3B4E9731B}
+	EndProjectSection
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Essentials Devices Common", "essentials-framework\Essentials Devices Common\Essentials Devices Common\Essentials Devices Common.csproj", "{892B761C-E479-44CE-BD74-243E9214AF13}"
 	ProjectSection(ProjectDependencies) = postProject
diff --git a/PepperDashEssentials/PepperDashEssentials.csproj b/PepperDashEssentials/PepperDashEssentials.csproj
index 42d0e288..286da1a4 100644
--- a/PepperDashEssentials/PepperDashEssentials.csproj
+++ b/PepperDashEssentials/PepperDashEssentials.csproj
@@ -215,6 +215,10 @@
       <Project>{9199CE8A-0C9F-4952-8672-3EED798B284F}</Project>
       <Name>PepperDash_Essentials_DM</Name>
     </ProjectReference>
+    <ProjectReference Include="..\essentials-framework\Essentials Interfaces\PepperDash_Essentials_Interfaces\PepperDash_Essentials_Interfaces.csproj">
+      <Project>{E51D7C84-4906-486C-B2BA-EEB3B4E9731B}</Project>
+      <Name>PepperDash_Essentials_Interfaces</Name>
+    </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CompactFramework.CSharp.targets" />
   <ProjectExtensions>
diff --git a/essentials-framework/Essentials Core/PepperDashEssentialsBase/PepperDash_Essentials_Core.csproj b/essentials-framework/Essentials Core/PepperDashEssentialsBase/PepperDash_Essentials_Core.csproj
index 6d4def73..81b9806d 100644
--- a/essentials-framework/Essentials Core/PepperDashEssentialsBase/PepperDash_Essentials_Core.csproj	
+++ b/essentials-framework/Essentials Core/PepperDashEssentialsBase/PepperDash_Essentials_Core.csproj	
@@ -350,6 +350,12 @@
     <None Include="app.config" />
     <None Include="Properties\ControlSystem.cfg" />
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\Essentials Interfaces\PepperDash_Essentials_Interfaces\PepperDash_Essentials_Interfaces.csproj">
+      <Project>{E51D7C84-4906-486C-B2BA-EEB3B4E9731B}</Project>
+      <Name>PepperDash_Essentials_Interfaces</Name>
+    </ProjectReference>
+  </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CompactFramework.CSharp.targets" />
   <ProjectExtensions>
     <VisualStudio>
diff --git a/essentials-framework/Essentials DM/Essentials_DM/PepperDash_Essentials_DM.csproj b/essentials-framework/Essentials DM/Essentials_DM/PepperDash_Essentials_DM.csproj
index 69045ea5..d147b025 100644
--- a/essentials-framework/Essentials DM/Essentials_DM/PepperDash_Essentials_DM.csproj	
+++ b/essentials-framework/Essentials DM/Essentials_DM/PepperDash_Essentials_DM.csproj	
@@ -154,6 +154,10 @@
       <Project>{A49AD6C8-FC0A-4CC0-9089-DFB4CF92D2B5}</Project>
       <Name>PepperDash_Essentials_Core</Name>
     </ProjectReference>
+    <ProjectReference Include="..\..\Essentials Interfaces\PepperDash_Essentials_Interfaces\PepperDash_Essentials_Interfaces.csproj">
+      <Project>{E51D7C84-4906-486C-B2BA-EEB3B4E9731B}</Project>
+      <Name>PepperDash_Essentials_Interfaces</Name>
+    </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CompactFramework.CSharp.targets" />
   <ProjectExtensions>
diff --git a/essentials-framework/Essentials Devices Common/Essentials Devices Common/Essentials Devices Common.csproj b/essentials-framework/Essentials Devices Common/Essentials Devices Common/Essentials Devices Common.csproj
index 54d37613..8c912221 100644
--- a/essentials-framework/Essentials Devices Common/Essentials Devices Common/Essentials Devices Common.csproj	
+++ b/essentials-framework/Essentials Devices Common/Essentials Devices Common/Essentials Devices Common.csproj	
@@ -184,6 +184,10 @@
       <Project>{A49AD6C8-FC0A-4CC0-9089-DFB4CF92D2B5}</Project>
       <Name>PepperDash_Essentials_Core</Name>
     </ProjectReference>
+    <ProjectReference Include="..\..\Essentials Interfaces\PepperDash_Essentials_Interfaces\PepperDash_Essentials_Interfaces.csproj">
+      <Project>{E51D7C84-4906-486C-B2BA-EEB3B4E9731B}</Project>
+      <Name>PepperDash_Essentials_Interfaces</Name>
+    </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CompactFramework.CSharp.targets" />
   <ProjectExtensions>