diff --git a/.travis.yml b/.travis.yml
index fccc2cd7..f84ff88d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,10 +2,10 @@ language: objective-c
 
 env:
  global:
-  - EnableNuGetPackageRestore=true 
+  - EnableNuGetPackageRestore=true
  matrix:
   - MONO_VER="2.10.11"
-  - MONO_VER="3.2.6"
+  - MONO_VER="3.4.0"
 
 before_install:
  - wget "http://download.mono-project.com/archive/${MONO_VER}/macos-10-x86/MonoFramework-MDK-${MONO_VER}.macos10.xamarin.x86.pkg" "http://download.mono-project.com/archive/${MONO_VER}/macos-10-x86/MonoFramework-MDK-${MONO_VER}.macos10.xamarin.x86.dmg" || true
@@ -15,4 +15,3 @@ before_install:
 
 script:
  - xbuild && xbuild /p:Configuration=Release
-
diff --git a/Source/OpenTK/OpenTK.csproj b/Source/OpenTK/OpenTK.csproj
index 61e11bc4..cd3df5fe 100644
--- a/Source/OpenTK/OpenTK.csproj
+++ b/Source/OpenTK/OpenTK.csproj
@@ -698,7 +698,7 @@
     <Compile Include="Platform\X11\X11Mouse.cs" />
     <Compile Include="Input\ButtonState.cs" />
     <EmbeddedResource Include="OpenTK.dll.config">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </EmbeddedResource>
     <Compile Include="Platform\MacOS\HIDInput.cs" />
     <Compile Include="IntPtrEqualityComparer.cs" />