diff --git a/libsodium.vcxproj b/libsodium.vcxproj
index 519a0579..3122e5ae 100644
--- a/libsodium.vcxproj
+++ b/libsodium.vcxproj
@@ -319,6 +319,8 @@
     <ClInclude Include="src\libsodium\crypto_generichash\blake2\ref\blake2b-load-sse41.h" />
     <ClInclude Include="src\libsodium\crypto_generichash\blake2\ref\blake2b-round.h" />
     <ClInclude Include="src\libsodium\crypto_onetimeauth\poly1305\onetimeauth_poly1305.h" />
+    <ClInclude Include="src\libsodium\crypto_scalarmult\curve25519\donna_c64\curve25519_donna_c64.h" />
+    <ClInclude Include="src\libsodium\crypto_scalarmult\curve25519\scalarmult_curve25519.h" />
     <ClInclude Include="src\libsodium\include\sodium.h" />
     <ClInclude Include="src\libsodium\include\sodium\core.h" />
     <ClInclude Include="src\libsodium\include\sodium\crypto_aead_aes256gcm.h" />
@@ -425,9 +427,8 @@
     <ClCompile Include="src\libsodium\crypto_pwhash\scryptsalsa208sha256\scrypt_platform.c" />
     <ClCompile Include="src\libsodium\crypto_pwhash\scryptsalsa208sha256\sse\pwhash_scryptsalsa208sha256_sse.c" />
     <ClCompile Include="src\libsodium\crypto_scalarmult\crypto_scalarmult.c" />
-    <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\donna_c64\base_curve25519_donna_c64.c" />
-    <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\donna_c64\smult_curve25519_donna_c64.c" />
-    <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\ref10\base_curve25519_ref10.c" />
+    <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\donna_c64\curve25519_donna_c64.c" />
+    <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\ref10\curve25519_ref10.c" />
     <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\ref10\fe_0_curve25519_ref10.c" />
     <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\ref10\fe_1_curve25519_ref10.c" />
     <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\ref10\fe_add_curve25519_ref10.c" />
@@ -440,8 +441,10 @@
     <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\ref10\fe_sq_curve25519_ref10.c" />
     <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\ref10\fe_sub_curve25519_ref10.c" />
     <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\ref10\fe_tobytes_curve25519_ref10.c" />
-    <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\ref10\scalarmult_curve25519_ref10.c" />
-    <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\scalarmult_curve25519_api.c" />
+    <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\sandy2x\curve25519_sandy2x.c" />
+    <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\sandy2x\fe51_invert.c" />
+    <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\sandy2x\fe_frombytes_sandy2x.c" />
+    <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\scalarmult_curve25519.c" />
     <ClCompile Include="src\libsodium\crypto_secretbox\crypto_secretbox.c" />
     <ClCompile Include="src\libsodium\crypto_secretbox\crypto_secretbox_easy.c" />
     <ClCompile Include="src\libsodium\crypto_secretbox\xsalsa20poly1305\ref\box_xsalsa20poly1305.c" />
@@ -532,6 +535,9 @@
     <ClCompile Include="src\libsodium\sodium\utils.c" />
     <ClCompile Include="src\libsodium\sodium\version.c" />
   </ItemGroup>
+  <ItemGroup>
+    <None Include="src\libsodium\crypto_scalarmult\curve25519\sandy2x\sandy2x.S" />
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
diff --git a/libsodium.vcxproj.filters b/libsodium.vcxproj.filters
index 64cc0a1a..6ba14116 100644
--- a/libsodium.vcxproj.filters
+++ b/libsodium.vcxproj.filters
@@ -189,6 +189,12 @@
     <ClInclude Include="src\libsodium\crypto_onetimeauth\poly1305\onetimeauth_poly1305.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="src\libsodium\crypto_scalarmult\curve25519\scalarmult_curve25519.h">
+      <Filter>Source Files</Filter>
+    </ClInclude>
+    <ClInclude Include="src\libsodium\crypto_scalarmult\curve25519\donna_c64\curve25519_donna_c64.h">
+      <Filter>Source Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="src\libsodium\crypto_core\hsalsa20\ref2\core_hsalsa20.c">
@@ -296,9 +302,6 @@
     <ClCompile Include="src\libsodium\crypto_scalarmult\crypto_scalarmult.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\scalarmult_curve25519_api.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="src\libsodium\crypto_secretbox\xsalsa20poly1305\ref\box_xsalsa20poly1305.c">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -593,15 +596,6 @@
     <ClCompile Include="src\libsodium\crypto_stream\chacha20\ref\stream_chacha20_ref.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\donna_c64\base_curve25519_donna_c64.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\donna_c64\smult_curve25519_donna_c64.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\ref10\base_curve25519_ref10.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\ref10\fe_0_curve25519_ref10.c">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -638,9 +632,6 @@
     <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\ref10\fe_tobytes_curve25519_ref10.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\ref10\scalarmult_curve25519_ref10.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="src\libsodium\crypto_box\curve25519xsalsa20poly1305\ref\before_curve25519xsalsa20poly1305.c">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -659,5 +650,28 @@
     <ClCompile Include="src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-ssse3.c">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\scalarmult_curve25519.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\donna_c64\curve25519_donna_c64.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\ref10\curve25519_ref10.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\sandy2x\curve25519_sandy2x.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\sandy2x\fe_frombytes_sandy2x.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="src\libsodium\crypto_scalarmult\curve25519\sandy2x\fe51_invert.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="src\libsodium\crypto_scalarmult\curve25519\sandy2x\sandy2x.S">
+      <Filter>Source Files</Filter>
+    </None>
   </ItemGroup>
 </Project>
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