diff --git a/PCbuild/pythoncore.vcxproj b/PCbuild/pythoncore.vcxproj
index 68b216ecbd2..cab517e9767 100644
--- a/PCbuild/pythoncore.vcxproj
+++ b/PCbuild/pythoncore.vcxproj
@@ -228,6 +228,7 @@
     <ClCompile Include="..\Modules\_math.c" />
     <ClCompile Include="..\Modules\_pickle.c" />
     <ClCompile Include="..\Modules\_randommodule.c" />
+    <ClCompile Include="..\Modules\_sha3\sha3module.c" />
     <ClCompile Include="..\Modules\_sre.c" />
     <ClCompile Include="..\Modules\_stat.c" />
     <ClCompile Include="..\Modules\_struct.c" />
diff --git a/PCbuild/pythoncore.vcxproj.filters b/PCbuild/pythoncore.vcxproj.filters
index 8e3ccf8548f..405974dce47 100644
--- a/PCbuild/pythoncore.vcxproj.filters
+++ b/PCbuild/pythoncore.vcxproj.filters
@@ -491,6 +491,9 @@
     <ClCompile Include="..\Modules\_randommodule.c">
       <Filter>Modules</Filter>
     </ClCompile>
+    <ClCompile Include="..\Modules\_sha3\sha3module.c">
+      <Filter>Modules</Filter>
+    </ClCompile>
     <ClCompile Include="..\Modules\_sre.c">
       <Filter>Modules</Filter>
     </ClCompile>