diff --git a/msvc/projects/vc2015/jemalloc/jemalloc.vcxproj b/msvc/projects/vc2015/jemalloc/jemalloc.vcxproj
index e5ecb351..75ea8fba 100644
--- a/msvc/projects/vc2015/jemalloc/jemalloc.vcxproj
+++ b/msvc/projects/vc2015/jemalloc/jemalloc.vcxproj
@@ -68,6 +68,7 @@
     <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\spin.h" />
     <ClInclude Include="..\..\..\..\include\jemalloc\internal\stats.h" />
     <ClInclude Include="..\..\..\..\include\jemalloc\internal\tcache.h" />
     <ClInclude Include="..\..\..\..\include\jemalloc\internal\ticker.h" />
@@ -107,6 +108,7 @@
     <ClCompile Include="..\..\..\..\src\prng.c" />
     <ClCompile Include="..\..\..\..\src\prof.c" />
     <ClCompile Include="..\..\..\..\src\rtree.c" />
+    <ClCompile Include="..\..\..\..\src\spin.c" />
     <ClCompile Include="..\..\..\..\src\stats.c" />
     <ClCompile Include="..\..\..\..\src\tcache.c" />
     <ClCompile Include="..\..\..\..\src\ticker.c" />
diff --git a/msvc/projects/vc2015/jemalloc/jemalloc.vcxproj.filters b/msvc/projects/vc2015/jemalloc/jemalloc.vcxproj.filters
index 74b45112..a328a6f9 100644
--- a/msvc/projects/vc2015/jemalloc/jemalloc.vcxproj.filters
+++ b/msvc/projects/vc2015/jemalloc/jemalloc.vcxproj.filters
@@ -140,6 +140,12 @@
     <ClInclude Include="..\..\..\..\include\jemalloc\internal\size_classes.h">
       <Filter>Header Files\internal</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\include\jemalloc\internal\smoothstep.h">
+      <Filter>Header Files\internal</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\include\jemalloc\internal\spin.h">
+      <Filter>Header Files\internal</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\include\jemalloc\internal\stats.h">
       <Filter>Header Files\internal</Filter>
     </ClInclude>
@@ -155,6 +161,9 @@
     <ClInclude Include="..\..\..\..\include\jemalloc\internal\util.h">
       <Filter>Header Files\internal</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\include\jemalloc\internal\witness.h">
+      <Filter>Header Files\internal</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\include\msvc_compat\strings.h">
       <Filter>Header Files\msvc_compat</Filter>
     </ClInclude>
@@ -167,12 +176,6 @@
     <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">
@@ -232,6 +235,9 @@
     <ClCompile Include="..\..\..\..\src\rtree.c">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\src\spin.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\src\stats.c">
       <Filter>Source Files</Filter>
     </ClCompile>