diff --git a/Microsoft.Research/ImportedILMerge/ILMerge.exe b/Microsoft.Research/ImportedILMerge/ILMerge.exe
deleted file mode 100644
index c2922d4d..00000000
Binary files a/Microsoft.Research/ImportedILMerge/ILMerge.exe and /dev/null differ
diff --git a/Microsoft.Research/ManagedContract.Setup/buildMSI10.xml b/Microsoft.Research/ManagedContract.Setup/buildMSI10.xml
index 6af80ea4..81b54df0 100644
--- a/Microsoft.Research/ManagedContract.Setup/buildMSI10.xml
+++ b/Microsoft.Research/ManagedContract.Setup/buildMSI10.xml
@@ -32,6 +32,7 @@
   <UsingTask TaskName="CodePlex.Tools.MsBuild.Policheck" AssemblyFile="..\ImportedCodeBox\CodePlex.Tools.MsBuild.dll" />
   <UsingTask TaskName="CodePlex.Tools.MsBuild.PatchProjectReferences" AssemblyFile="..\ImportedCodeBox\CodePlex.Tools.MsBuild.dll" />
   <UsingTask TaskName="CodePlex.Tools.MsBuild.CodeSign" AssemblyFile="..\ImportedCodeBox\CodePlex.Tools.MsBuild.dll" />
+  <UsingTask TaskName="Microsoft.Build.Tasks.XmlPeek" AssemblyName="Microsoft.Build.Tasks.v4.0, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"/>
 
   <!--==============================================
     Figure out features based on configurations
@@ -370,8 +371,33 @@
 
     ==========================================================-->
   <Target Name="MergeExes"
-    DependsOnTargets="ILMergeFoxtrot;ILMergeAsmMeta;ILMergeClousot;ILMergeCCDoc"/>
+    DependsOnTargets="PrepareMerges;ExecuteMerges"/>
 
+  <Target Name="PrepareMerges" BeforeTargets="ExecuteMerges"
+    DependsOnTargets="RestoreToolPackages;PrepareILMerge"/>
+	
+  <Target Name="RestoreToolPackages">
+    <Exec Command="&quot;$(SolutionDir).NuGet\NuGet.exe&quot; restore &quot;$(SolutionDir)packages.config&quot; -PackagesDirectory &quot;$(SolutionDir)packages&quot;" />
+  </Target>
+  
+  <Target Name="PrepareILMerge">
+    <Message Text="Preparing IL Merge"/>
+    <XmlPeek
+      XmlInputPath="$(SolutionDir)packages.config"
+      Query="//package[@id='ILMerge']/@version">
+      <Output TaskParameter="Result" ItemName="ILMergeVersion" />
+    </XmlPeek>
+    <PropertyGroup>
+      <ILMergeExePath>$(SolutionDir)packages\ILMerge.@(ILMergeVersion)\tools\ilmerge.exe</ILMergeExePath>
+        <ILMergeExeV40>$(ILMergeExePath) "/targetplatform:v4,$(ProgramFiles)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0"</ILMergeExeV40>
+        <ILMergeExeV45>$(ILMergeExePath) "/targetplatform:v4,$(ProgramFiles)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5"</ILMergeExeV45>
+    </PropertyGroup>
+    <Message Text="Using ILMerge in version: @(ILMergeVersion)"/>
+  </Target>	
+	
+  <Target Name="ExecuteMerges"
+    DependsOnTargets="ILMergeFoxtrot;ILMergeAsmMeta;ILMergeClousot;ILMergeCCDoc"/>
+    
   <PropertyGroup>
     <FoxtrotDir>..\..\Foxtrot\Driver\$(BinDir)</FoxtrotDir>
     <CCRefGenAttributesDir>CCRefGenAttributes\$(BinDir)</CCRefGenAttributesDir>
@@ -391,8 +417,6 @@
     <CCDocgenConfig>$(CCI2Dir)\ccdoc.exe.config</CCDocgenConfig>
     <CCCheckConfig>$(Clousot1Dir)\clousot.exe.config</CCCheckConfig>
 
-    <ILMergeExeV40>..\ImportedILMerge\ilmerge.exe "/targetplatform:v4,$(ProgramFiles)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0"</ILMergeExeV40>
-    <ILMergeExeV45>..\ImportedILMerge\ilmerge.exe "/targetplatform:v4,$(ProgramFiles)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5"</ILMergeExeV45>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/packages.config b/packages.config
new file mode 100644
index 00000000..38db3184
--- /dev/null
+++ b/packages.config
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="ILMerge" version="2.14.1208" targetFramework="net40" />
+</packages>
\ No newline at end of file