diff --git a/Build.proj b/Build.proj
index 445f8327..6135c571 100644
--- a/Build.proj
+++ b/Build.proj
@@ -111,7 +111,8 @@
   <Target Name="ZipPackage" DependsOnTargets="Stage;MakePackageDir"
           Outputs="$(PackageDir)\DynamicLanguageRuntime.$(PackageVersion).zip">
     <ItemGroup>
-      <ZipFiles Include="$(StageDir)\**\*.dll;$(StageDir)\**\*.xml;$(StageDir)\README.md;$(StageDir)\LICENSE" />
+      <ZipFiles Include="$(StageDir)\**\*.dll;$(StageDir)\**\*.xml;$(StageDir)\README.md;$(StageDir)\LICENSE"
+                Exclude="$(StageDir)\netcoreapp2.1\**\*;$(StageDir)\net5.0*\**\*;$(StageDir)\net6.0*\**\*" />
     </ItemGroup>
     <Message Text="$(ZipFiles)" />
     <Zip Files="@(ZipFiles)" ZipFileName="$(PackageDir)\DynamicLanguageRuntime.$(PackageVersion).zip" WorkingDirectory="$(StageDir)"/>
diff --git a/CurrentVersion.props b/CurrentVersion.props
index ef2a0a11..99e75a93 100644
--- a/CurrentVersion.props
+++ b/CurrentVersion.props
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <MajorVersion>1</MajorVersion>
     <MinorVersion>3</MinorVersion>
-    <MicroVersion>0</MicroVersion>
+    <MicroVersion>1</MicroVersion>
     <ReleaseLevel>final</ReleaseLevel><!-- alpha, beta, candidate or final -->
     <ReleaseSerial>0</ReleaseSerial><!-- this should only be 0 when final -->
 
diff --git a/Package/nuget/DynamicLanguageRuntime.nuspec b/Package/nuget/DynamicLanguageRuntime.nuspec
index d0e4e5da..55a96815 100644
--- a/Package/nuget/DynamicLanguageRuntime.nuspec
+++ b/Package/nuget/DynamicLanguageRuntime.nuspec
@@ -3,7 +3,7 @@
   <metadata xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
     <id>DynamicLanguageRuntime</id>
     <title>Dynamic Language Runtime</title>
-    <version>1.3.0</version>
+    <version>1.3.1</version>
     <authors>DLR Contributors,Microsoft</authors>
     <owners>DLR Community</owners>
     <projectUrl>http://ironpython.net</projectUrl>
@@ -30,9 +30,9 @@
     </dependencies>
   </metadata>
   <files>
-    <file src="**\*.dll" target="lib" />
-    <file src="**\*.pdb" target="lib" />
-    <file src="**\*.xml" target="lib" />
+    <file src="**\*.dll" target="lib" exclude="netcoreapp2.1\**\*;net5.0*\**\*;net6.0*\**\*" />
+    <file src="**\*.pdb" target="lib" exclude="netcoreapp2.1\**\*;net5.0*\**\*;net6.0*\**\*" />
+    <file src="**\*.xml" target="lib" exclude="netcoreapp2.1\**\*;net5.0*\**\*;net6.0*\**\*" />
     <file src="README.md;LICENSE" />
   </files>
 </package>