diff --git a/packaging/nuget/package.config b/packaging/nuget/package.config
index b3dc8e1b..64252859 100644
--- a/packaging/nuget/package.config
+++ b/packaging/nuget/package.config
@@ -2,5 +2,5 @@
 <!-- These values are populated into the package.gsl templates by package.bat. -->
 <!-- The target attribute controls path and file name only, id controls package naming. -->
 <package id="libzmq_vc120" target="libzmq" version = "4.2.0.0" pathversion="4_2_0_0" platformtoolset="v120">
-  <dependency id="libsodium_vc120" version="0.5.0.0" />
+  <!--<dependency id="libsodium_vc120" version="1.0.0.0" />-->
 </package>
\ No newline at end of file
diff --git a/packaging/nuget/package.gsl b/packaging/nuget/package.gsl
index 4d306e5e..de887580 100644
--- a/packaging/nuget/package.gsl
+++ b/packaging/nuget/package.gsl
@@ -25,7 +25,7 @@
         <requireLicenseAcceptance>true</requireLicenseAcceptance>
         <developmentDependency>false</developmentDependency>
         <description>The 0MQ lightweight messaging kernel is a library which extends the standard socket interfaces with features traditionally provided by specialised messaging middleware products. 0MQ sockets provide an abstraction of asynchronous message queues, multiple messaging patterns, message filtering (subscriptions), seamless access to multiple transport protocols and more.</description>
-        <summary>The 0MQ lightweight messaging kernel, with libsodium integrated, packaged for Visual Studio 2013 (v120) and CTP_Nov2013 compilers.</summary>
+        <summary>The 0MQ lightweight messaging kernel, with tweetnacl integrated, packaged for Visual Studio 2013 (v120) and CTP_Nov2013 compilers.</summary>
         <releaseNotes>https://raw.github.com/zeromq/libzmq/master/NEWS</releaseNotes>
         <copyright>GNU Lesser GPL v3</copyright>
         <tags>native, libzmq, zmq, 0MQ, messaging, sockets, C++</tags>
@@ -125,9 +125,8 @@
   <!-- general -->
   <ItemDefinitionGroup>
     <ClCompile>
-      <!-- HAVE_LIBSODIUM defined in packaged builds and must be defined for package consumer. -->
-      <!-- ZMQ_HAVE_OPENPGM not defined in packaged builds and should not be defined by package consumer. -->
-      <PreprocessorDefinitions>HAVE_LIBSODIUM;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <!-- ZMQ_USE_TWEETNACL defined in packaged builds and must be defined for package consumer. -->
+      <PreprocessorDefinitions>ZMQ_USE_TWEETNACL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>$\(MSBuildThisFileDirectory)include\\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
diff --git a/packaging/nuget/package.nuspec b/packaging/nuget/package.nuspec
index 0617691b..dd2ade27 100644
--- a/packaging/nuget/package.nuspec
+++ b/packaging/nuget/package.nuspec
@@ -17,12 +17,11 @@
         <requireLicenseAcceptance>true</requireLicenseAcceptance>
         <developmentDependency>false</developmentDependency>
         <description>The 0MQ lightweight messaging kernel is a library which extends the standard socket interfaces with features traditionally provided by specialised messaging middleware products. 0MQ sockets provide an abstraction of asynchronous message queues, multiple messaging patterns, message filtering (subscriptions), seamless access to multiple transport protocols and more.</description>
-        <summary>The 0MQ lightweight messaging kernel, with libsodium integrated, packaged for Visual Studio 2013 (v120) and CTP_Nov2013 compilers.</summary>
+        <summary>The 0MQ lightweight messaging kernel, with tweetnacl integrated, packaged for Visual Studio 2013 (v120) and CTP_Nov2013 compilers.</summary>
         <releaseNotes>https://raw.github.com/zeromq/libzmq/master/NEWS</releaseNotes>
         <copyright>GNU Lesser GPL v3</copyright>
         <tags>native, libzmq, zmq, 0MQ, messaging, sockets, C++</tags>
         <dependencies>
-            <dependency id="libsodium_vc120" version="0.5.0.0" />
         </dependencies>
     </metadata>
     <files>
diff --git a/packaging/nuget/package.targets b/packaging/nuget/package.targets
index e7fdda5d..2d81173f 100644
--- a/packaging/nuget/package.targets
+++ b/packaging/nuget/package.targets
@@ -14,9 +14,8 @@
   <!-- general -->
   <ItemDefinitionGroup>
     <ClCompile>
-      <!-- HAVE_LIBSODIUM defined in packaged builds and must be defined for package consumer. -->
-      <!-- ZMQ_HAVE_OPENPGM not defined in packaged builds and should not be defined by package consumer. -->
-      <PreprocessorDefinitions>HAVE_LIBSODIUM;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <!-- ZMQ_USE_TWEETNACL defined in packaged builds and must be defined for package consumer. -->
+      <PreprocessorDefinitions>ZMQ_USE_TWEETNACL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>$(MSBuildThisFileDirectory)include\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>