diff --git a/src/UnitTests/UnitTests-Net35.csproj b/src/UnitTests/UnitTests-Net35.csproj
index 4072adfc..a25891ce 100644
--- a/src/UnitTests/UnitTests-Net35.csproj
+++ b/src/UnitTests/UnitTests-Net35.csproj
@@ -350,4 +350,24 @@
       </ItemGroup>
     </When>
   </Choose>
+  <Choose>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework' And $(TargetFrameworkVersion) == 'v3.5'">
+      <ItemGroup>
+        <Reference Include="System.Threading">
+          <HintPath>..\..\packages\TaskParallelLibrary\lib\Net35\System.Threading.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+    <When Condition="$(TargetFrameworkIdentifier) == '.NETFramework'">
+      <ItemGroup>
+        <Reference Include="System.Threading">
+          <HintPath>..\..\packages\TaskParallelLibrary\lib\Net35\System.Threading.dll</HintPath>
+          <Private>True</Private>
+          <Paket>True</Paket>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
 </Project>
\ No newline at end of file
diff --git a/src/UnitTests/UnitTests-Net35.csproj.paket.references b/src/UnitTests/UnitTests-Net35.csproj.paket.references
new file mode 100644
index 00000000..c2a06c8e
--- /dev/null
+++ b/src/UnitTests/UnitTests-Net35.csproj.paket.references
@@ -0,0 +1,2 @@
+TaskParallelLibrary
+NUnit