diff --git a/VisualStudio/libpicnic.vcxproj b/VisualStudio/libpicnic.vcxproj
index 017fc8c..8f98b12 100644
--- a/VisualStudio/libpicnic.vcxproj
+++ b/VisualStudio/libpicnic.vcxproj
@@ -22,16 +22,19 @@
     <ClCompile Include="..\hash.c" />
     <ClCompile Include="..\lowmc_constants.c" />
     <ClCompile Include="..\picnic.c" />
+    <ClCompile Include="..\picnic2_impl.c" />
     <ClCompile Include="..\picnic_impl.c" />
     <ClCompile Include="..\picnic_types.c" />
     <ClCompile Include="..\sha3\KeccakHash.c" />
     <ClCompile Include="..\sha3\KeccakP-1600-reference.c" />
     <ClCompile Include="..\sha3\KeccakSpongeWidth1600.c" />
+    <ClCompile Include="..\tree.c" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\hash.h" />
     <ClInclude Include="..\lowmc_constants.h" />
     <ClInclude Include="..\picnic.h" />
+    <ClInclude Include="..\picnic2_impl.h" />
     <ClInclude Include="..\picnic_impl.h" />
     <ClInclude Include="..\picnic_types.h" />
     <ClInclude Include="..\platform.h" />
@@ -42,6 +45,7 @@
     <ClInclude Include="..\sha3\KeccakP-1600-SnP.h" />
     <ClInclude Include="..\sha3\KeccakSponge-common.h" />
     <ClInclude Include="..\sha3\KeccakSpongeWidth1600.h" />
+    <ClInclude Include="..\tree.h" />
   </ItemGroup>
   <ItemGroup>
     <None Include="..\sha3\KeccakSponge.inc" />