diff --git a/paket.dependencies b/paket.dependencies
index 51185557..f7f692c6 100644
--- a/paket.dependencies
+++ b/paket.dependencies
@@ -7,4 +7,5 @@ nuget FsCheck.Xunit
 nuget xunit.runner.console
 nuget xunit.assert
 nuget FAKE
-nuget Mono.Cecil
\ No newline at end of file
+nuget Mono.Cecil
+nuget GtkSharp
\ No newline at end of file
diff --git a/paket.lock b/paket.lock
index 40aeb71a..0b74580d 100644
--- a/paket.lock
+++ b/paket.lock
@@ -13,6 +13,7 @@ NUGET
       FSharpVSPowerTools.Core (>= 2.3 < 2.4)
     FSharpVSPowerTools.Core (2.3)
       FSharp.Compiler.Service (>= 2.0.0.3)
+    GtkSharp (3.1.3)
     Mono.Cecil (0.9.6.1)
     System.Collections (4.0.10) - framework: dnxcore50
       System.Diagnostics.Debug (>= 4.0) - framework: dnxcore50
diff --git a/src/OpenTK.GLWidget/OpenTK.GLWidget.csproj b/src/OpenTK.GLWidget/OpenTK.GLWidget.csproj
index 73eedf78..e71c63a7 100644
--- a/src/OpenTK.GLWidget/OpenTK.GLWidget.csproj
+++ b/src/OpenTK.GLWidget/OpenTK.GLWidget.csproj
@@ -39,6 +39,8 @@
     <IsWebBootstrapper>false</IsWebBootstrapper>
     <UseApplicationTrust>false</UseApplicationTrust>
     <BootstrapperEnabled>true</BootstrapperEnabled>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
@@ -56,6 +58,7 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <DebugType>full</DebugType>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
@@ -72,6 +75,7 @@
     <WarningLevel>4</WarningLevel>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <DebugType>none</DebugType>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup>
     <SignAssembly>True</SignAssembly>
@@ -108,10 +112,34 @@
     <None Include="paket.template" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.5' Or $(TargetFrameworkVersion) == 'v4.5.1' Or $(TargetFrameworkVersion) == 'v4.5.2' Or $(TargetFrameworkVersion) == 'v4.5.3' Or $(TargetFrameworkVersion) == 'v4.6' Or $(TargetFrameworkVersion) == 'v4.6.1' Or $(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3')">
+      <PropertyGroup>
+        <__paket__GtkSharp_targets>net45\GtkSharp</__paket__GtkSharp_targets>
+      </PropertyGroup>
+    </When>
+  </Choose>
   <PropertyGroup>
     <PreBuildEvent>
     </PreBuildEvent>
     <PostBuildEvent>
     </PostBuildEvent>
   </PropertyGroup>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And ($(TargetFrameworkVersion) == 'v4.5' Or $(TargetFrameworkVersion) == 'v4.5.1' Or $(TargetFrameworkVersion) == 'v4.5.2' Or $(TargetFrameworkVersion) == 'v4.5.3' Or $(TargetFrameworkVersion) == 'v4.6' Or $(TargetFrameworkVersion) == 'v4.6.1' Or $(TargetFrameworkVersion) == 'v4.6.2' Or $(TargetFrameworkVersion) == 'v4.6.3')">
+      <ItemGroup>
+        <Reference Include="cairo-sharp">
+          <HintPath>..\..\packages\GtkSharp\lib\net45\cairo-sharp.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+        <Reference Include="gio-sharp">
+          <HintPath>..\..\packages\GtkSharp\lib\net45\gio-sharp.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Import Project="..\..\packages\GtkSharp\build\$(__paket__GtkSharp_targets).targets" Condition="Exists('..\..\packages\GtkSharp\build\$(__paket__GtkSharp_targets).targets')" Label="Paket" />
 </Project>
\ No newline at end of file
diff --git a/src/OpenTK.GLWidget/paket.references b/src/OpenTK.GLWidget/paket.references
index e69de29b..0a38793d 100644
--- a/src/OpenTK.GLWidget/paket.references
+++ b/src/OpenTK.GLWidget/paket.references
@@ -0,0 +1 @@
+GtkSharp
\ No newline at end of file