diff --git a/libpEpAdapter/libpEpAdapter.vcxproj b/libpEpAdapter/libpEpAdapter.vcxproj
index 3801d93..f666581 100644
--- a/libpEpAdapter/libpEpAdapter.vcxproj
+++ b/libpEpAdapter/libpEpAdapter.vcxproj
@@ -100,6 +100,7 @@ xcopy /i/y "$(ProjectDir)..\status_to_string.hh" "$(SolutionDir)pEp\"
   <ItemGroup>
     <ClCompile Include="..\Adapter.cc" />
     <ClCompile Include="..\call_with_lock.cc" />
+    <ClCompile Include="..\passphrase_cache.cc" />
     <ClCompile Include="..\slurp.cc" />
     <ClCompile Include="..\status_to_string.cc" />
   </ItemGroup>
@@ -107,6 +108,8 @@ xcopy /i/y "$(ProjectDir)..\status_to_string.hh" "$(SolutionDir)pEp\"
     <ClInclude Include="..\Adapter.hh" />
     <ClInclude Include="..\Adapter.hxx" />
     <ClInclude Include="..\locked_queue.hh" />
+    <ClInclude Include="..\passphrase_cache.hh" />
+    <ClInclude Include="..\passphrase_cache.hxx" />
     <ClInclude Include="..\pc_container.hh" />
     <ClInclude Include="..\slurp.hh" />
     <ClInclude Include="..\status_to_string.hh" />
diff --git a/libpEpAdapter/libpEpAdapter.vcxproj.filters b/libpEpAdapter/libpEpAdapter.vcxproj.filters
index 6dbc4ec..aad2a49 100644
--- a/libpEpAdapter/libpEpAdapter.vcxproj.filters
+++ b/libpEpAdapter/libpEpAdapter.vcxproj.filters
@@ -30,6 +30,9 @@
     <ClCompile Include="..\slurp.cc">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\passphrase_cache.cc">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\Adapter.hh">
@@ -50,5 +53,11 @@
     <ClInclude Include="..\slurp.hh">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="..\passphrase_cache.hh">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\passphrase_cache.hxx">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file