diff --git a/fie.csproj b/fie.csproj
index 8e1aca4..8b19c21 100644
--- a/fie.csproj
+++ b/fie.csproj
@@ -3136,6 +3136,7 @@
     <None Include="assets\values\ui_player_window.skel.meta" />
     <None Include="assets\WSATestCertificate.pfx" />
     <None Include="assets\WSATestCertificate.pfx.meta" />
+    <None Include="packages.config" />
     <None Include="README.md" />
     <None Include="src\UnityCommon.props" />
   </ItemGroup>
@@ -4795,11 +4796,11 @@
     <Folder Include="assets\Scenes\TwilightTwinkleArrow\" />
   </ItemGroup>
   <ItemGroup>
-    <Reference Include="UnityEditor">
-      <HintPath>..\..\Program Files\Unity\Editor\Data\Managed\UnityEditor.dll</HintPath>
+    <Reference Include="UnityEditor, Version=0.0.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>packages\Unity3D.SDK.2017.4.37.1\lib\UnityEditor.dll</HintPath>
     </Reference>
-    <Reference Include="UnityEngine">
-      <HintPath>..\..\Program Files\Unity\Editor\Data\Managed\UnityEngine.dll</HintPath>
+    <Reference Include="UnityEngine, Version=0.0.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>packages\Unity3D.SDK.2017.4.37.1\lib\UnityEngine.dll</HintPath>
     </Reference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
diff --git a/packages.config b/packages.config
new file mode 100644
index 0000000..2498135
--- /dev/null
+++ b/packages.config
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Unity3D.SDK" version="2017.4.37.1" targetFramework="net20" />
+  <package id="UnityEngine" version="1.0.0" targetFramework="net20" />
+</packages>
\ No newline at end of file