diff --git a/PCbuild/pythoncore.vcxproj b/PCbuild/pythoncore.vcxproj
index 1ad16fb8222..3cce88e9f99 100644
--- a/PCbuild/pythoncore.vcxproj
+++ b/PCbuild/pythoncore.vcxproj
@@ -502,6 +502,7 @@ IF %ERRORLEVEL% NEQ 0 (
     <ClInclude Include="..\Include\pyexpat.h" />
     <ClInclude Include="..\Include\pyfpe.h" />
     <ClInclude Include="..\Include\pygetopt.h" />
+    <ClInclude Include="..\Include\pylifecycle.h" />
     <ClInclude Include="..\Include\pymath.h" />
     <ClInclude Include="..\Include\pytime.h" />
     <ClInclude Include="..\Include\pymacro.h" />
@@ -734,6 +735,7 @@ IF %ERRORLEVEL% NEQ 0 (
     <ClCompile Include="..\Python\pyarena.c" />
     <ClCompile Include="..\Python\pyctype.c" />
     <ClCompile Include="..\Python\pyfpe.c" />
+    <ClCompile Include="..\Python\pylifecycle.c" />
     <ClCompile Include="..\Python\pymath.c" />
     <ClCompile Include="..\Python\pytime.c" />
     <ClCompile Include="..\Python\pystate.c" />
diff --git a/PCbuild/pythoncore.vcxproj.filters b/PCbuild/pythoncore.vcxproj.filters
index 8c652475a68..174140a912d 100644
--- a/PCbuild/pythoncore.vcxproj.filters
+++ b/PCbuild/pythoncore.vcxproj.filters
@@ -216,6 +216,9 @@
     <ClInclude Include="..\Include\pygetopt.h">
       <Filter>Include</Filter>
     </ClInclude>
+    <ClInclude Include="..\Include\pylifecycle.h">
+      <Filter>Include</Filter>
+    </ClInclude>
     <ClInclude Include="..\Include\pymath.h">
       <Filter>Include</Filter>
     </ClInclude>
@@ -890,6 +893,9 @@
     <ClCompile Include="..\Python\pyfpe.c">
       <Filter>Python</Filter>
     </ClCompile>
+    <ClCompile Include="..\Python\pylifecycle.c">
+      <Filter>Python</Filter>
+    </ClCompile>
     <ClCompile Include="..\Python\pymath.c">
       <Filter>Python</Filter>
     </ClCompile>