diff --git a/marketmaker.vcxproj b/marketmaker.vcxproj
index b3d9f07fa..c60472ca7 100644
--- a/marketmaker.vcxproj
+++ b/marketmaker.vcxproj
@@ -121,7 +121,7 @@
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;NATIVE_WINDOWS;WIN32;_CONSOLE;NDEBUG;IGUANA_LOG2PACKETSIZE=20;IGUANA_MAXPACKETSIZE=1572864;NOTETOMIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;NATIVE_WINDOWS;WIN32;_CONSOLE;NDEBUG;IGUANA_LOG2PACKETSIZE=20;IGUANA_MAXPACKETSIZE=1572864;NOTETOMIC;MM_WIN_BUILD;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StructMemberAlignment>8Bytes</StructMemberAlignment>
     </ClCompile>
     <Link>
@@ -130,7 +130,7 @@
       <SubSystem>Console</SubSystem>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
-      <AdditionalDependencies>Ws2_32.lib;Advapi32.lib;$(SolutionDir)OSlibs\win\release\pthreadVC2.lib;libcurl.lib;nanomsg.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>Ws2_32.lib;Advapi32.lib;$(SolutionDir)OSlibs\win\release\pthreadVC2.lib;libcurl.lib;nanomsg.lib;libsodium.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
@@ -141,7 +141,7 @@
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>WIN64;_WIN64;_CRT_SECURE_NO_WARNINGS;NATIVE_WINDOWS;WIN32;WIN32_LEAN_AND_MEAN;_CONSOLE;NDEBUG;IGUANA_LOG2PACKETSIZE=20;IGUANA_MAXPACKETSIZE=1572864;NOTETOMIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN64;_WIN64;_CRT_SECURE_NO_WARNINGS;NATIVE_WINDOWS;WIN32;WIN32_LEAN_AND_MEAN;_CONSOLE;NDEBUG;IGUANA_LOG2PACKETSIZE=20;IGUANA_MAXPACKETSIZE=1572864;NOTETOMIC;MM_WIN_BUILD;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StructMemberAlignment>8Bytes</StructMemberAlignment>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
     </ClCompile>
@@ -150,7 +150,7 @@
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <AdditionalDependencies>Ws2_32.lib;Advapi32.lib;$(SolutionDir)OSlibs\win\x64\pthread_lib.lib;libcurl.lib;nanomsg.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>Ws2_32.lib;Advapi32.lib;$(SolutionDir)OSlibs\win\x64\pthread_lib.lib;libcurl.lib;nanomsg.lib;libsodium.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <AdditionalLibraryDirectories>.\OSlibs\win\x64\release;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
     </Link>
   </ItemDefinitionGroup>
@@ -258,4 +258,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>
\ No newline at end of file
diff --git a/marketmaker_build_32_64.cmd b/marketmaker_build_32_64.cmd
index faf016457..3a96e0593 100644
--- a/marketmaker_build_32_64.cmd
+++ b/marketmaker_build_32_64.cmd
@@ -74,12 +74,15 @@ IF "%host%"=="VM-81" (
     copy /y x64\Release\marketmaker.exe package_content\win64
     copy /y x64\Release\libcurl.dll package_content\win64
     copy /y x64\Release\nanomsg.dll package_content\win64
+    copy /y x64\Release\libsodium.dll package_content\win64	
+
     echo Marketmaker_%LP_MAJOR_VERSION%.%LP_MINOR_VERSION%_%LP_BUILD_NUMBER%%GIT_COMMIT% > package_content\version.txt
     cd package_content
     "C:\Program Files\7-Zip\7z.exe" a C:\komodo\marketmaker_release\marketmaker_release.7z win32\marketmaker.exe
     "C:\Program Files\7-Zip\7z.exe" a C:\komodo\marketmaker_release\marketmaker_release.7z win64\marketmaker.exe
     "C:\Program Files\7-Zip\7z.exe" a C:\komodo\marketmaker_release\marketmaker_release.7z win64\libcurl.dll
     "C:\Program Files\7-Zip\7z.exe" a C:\komodo\marketmaker_release\marketmaker_release.7z win64\nanomsg.dll
+    "C:\Program Files\7-Zip\7z.exe" a C:\komodo\marketmaker_release\marketmaker_release.7z win64\libsodium.dll
     "C:\Program Files\7-Zip\7z.exe" a C:\komodo\marketmaker_release\marketmaker_release.7z version.txt
     cd ..
     rd package_content /s /q
diff --git a/marketmaker_build_depends.cmd b/marketmaker_build_depends.cmd
index 499ab6649..ab1fa9af4 100644
--- a/marketmaker_build_depends.cmd
+++ b/marketmaker_build_depends.cmd
@@ -98,4 +98,17 @@ if not exist marketmaker_depends\curl\build_msvc_2015_win64\lib\Release\libcurl_
 )
 copy marketmaker_depends\curl\build_msvc_2015_win64\lib\Release\libcurl_imp.lib marketmaker_depends\curl\build_msvc_2015_win64\lib\Release\curl.lib
 copy marketmaker_depends\curl\build_msvc_2015_win64\lib\Release\libcurl_imp.exp marketmaker_depends\curl\build_msvc_2015_win64\lib\Release\curl.exp
-copy marketmaker_depends\curl\build_msvc_2015_win64\lib\Release\libcurl.dll x64\Release\libcurl.dll
\ No newline at end of file
+copy marketmaker_depends\curl\build_msvc_2015_win64\lib\Release\libcurl.dll x64\Release\libcurl.dll
+
+rem --- libsodium ---
+:compile_libsodium
+cd marketmaker_depends 
+git clone https://github.com/jedisct1/libsodium
+cd libsodium\builds\msvc\vs2015
+MSBuild libsodium.sln /t:Rebuild /p:Configuration=DynRelease /p:Platform=Win32
+MSBuild libsodium.sln /t:Rebuild /p:Configuration=DynRelease /p:Platform=x64
+cd ..\..\..\..\..
+xcopy marketmaker_depends\libsodium\src\libsodium\include includes /O /X /E /H /K /Y
+xcopy marketmaker_depends\libsodium\bin\x64\Release\v140\dynamic OSlibs\win\x64\release /O /X /E /H /K /Y
+xcopy marketmaker_depends\libsodium\bin\Win32\Release\v140\dynamic OSlibs\win /O /X /E /H /K /Y
+copy marketmaker_depends\libsodium\bin\x64\Release\v140\dynamic\libsodium.dll x64\Release 
\ No newline at end of file