diff --git a/msvc/projects/vc2015/jemalloc/jemalloc.vcxproj b/msvc/projects/vc2015/jemalloc/jemalloc.vcxproj
index 59f52f96..da75a968 100644
--- a/msvc/projects/vc2015/jemalloc/jemalloc.vcxproj
+++ b/msvc/projects/vc2015/jemalloc/jemalloc.vcxproj
@@ -68,11 +68,13 @@
     <ClInclude Include="..\..\..\..\include\jemalloc\internal\rb.h" />
     <ClInclude Include="..\..\..\..\include\jemalloc\internal\rtree.h" />
     <ClInclude Include="..\..\..\..\include\jemalloc\internal\size_classes.h" />
+    <ClInclude Include="..\..\..\..\include\jemalloc\internal\smoothstep.h" />
     <ClInclude Include="..\..\..\..\include\jemalloc\internal\stats.h" />
     <ClInclude Include="..\..\..\..\include\jemalloc\internal\tcache.h" />
     <ClInclude Include="..\..\..\..\include\jemalloc\internal\ticker.h" />
     <ClInclude Include="..\..\..\..\include\jemalloc\internal\tsd.h" />
     <ClInclude Include="..\..\..\..\include\jemalloc\internal\util.h" />
+    <ClInclude Include="..\..\..\..\include\jemalloc\internal\witness.h" />
     <ClInclude Include="..\..\..\..\include\jemalloc\jemalloc.h" />
     <ClInclude Include="..\..\..\..\include\jemalloc\jemalloc_defs.h" />
     <ClInclude Include="..\..\..\..\include\jemalloc\jemalloc_macros.h" />
@@ -112,6 +114,7 @@
     <ClCompile Include="..\..\..\..\src\ticker.c" />
     <ClCompile Include="..\..\..\..\src\tsd.c" />
     <ClCompile Include="..\..\..\..\src\util.c" />
+    <ClCompile Include="..\..\..\..\src\witness.c" />
   </ItemGroup>
   <PropertyGroup Label="Globals">
     <ProjectGuid>{8D6BB292-9E1C-413D-9F98-4864BDC1514A}</ProjectGuid>
@@ -392,4 +395,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>
\ No newline at end of file
diff --git a/msvc/projects/vc2015/jemalloc/jemalloc.vcxproj.filters b/msvc/projects/vc2015/jemalloc/jemalloc.vcxproj.filters
index 159b2e72..57395e70 100644
--- a/msvc/projects/vc2015/jemalloc/jemalloc.vcxproj.filters
+++ b/msvc/projects/vc2015/jemalloc/jemalloc.vcxproj.filters
@@ -170,6 +170,12 @@
     <ClInclude Include="..\..\..\..\include\msvc_compat\C99\stdint.h">
       <Filter>Header Files\msvc_compat\C99</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\include\jemalloc\internal\witness.h">
+      <Filter>Header Files\internal</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\include\jemalloc\internal\smoothstep.h">
+      <Filter>Header Files\internal</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\..\..\..\src\arena.c">
@@ -247,5 +253,8 @@
     <ClCompile Include="..\..\..\..\src\util.c">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\src\witness.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
-</Project>
+</Project>
\ No newline at end of file