diff --git a/dotnet/WhiteRabbit.UnmanagedBridge/WhiteRabbit.UnmanagedBridge.vcxproj.filters b/dotnet/WhiteRabbit.UnmanagedBridge/WhiteRabbit.UnmanagedBridge.vcxproj.filters
index a9ce610..69f0d13 100644
--- a/dotnet/WhiteRabbit.UnmanagedBridge/WhiteRabbit.UnmanagedBridge.vcxproj.filters
+++ b/dotnet/WhiteRabbit.UnmanagedBridge/WhiteRabbit.UnmanagedBridge.vcxproj.filters
@@ -23,6 +23,12 @@
     <ClInclude Include="md5.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="constants.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="phraseset.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="AssemblyInfo.cpp">
@@ -37,5 +43,8 @@
     <ClCompile Include="md5.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="phraseset.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>
\ No newline at end of file