diff --git a/nuprojs/Microsoft.ServiceFabric.Client.Http/Microsoft.ServiceFabric.Client.Http.nuproj b/nuprojs/Microsoft.ServiceFabric.Client.Http/Microsoft.ServiceFabric.Client.Http.nuproj
index ef32431b..c2b9290d 100644
--- a/nuprojs/Microsoft.ServiceFabric.Client.Http/Microsoft.ServiceFabric.Client.Http.nuproj
+++ b/nuprojs/Microsoft.ServiceFabric.Client.Http/Microsoft.ServiceFabric.Client.Http.nuproj
@@ -6,6 +6,7 @@
     <Title>Microsoft.ServiceFabric.Client.Http</Title>
     <Description>This package contains the reference assemblies for connecting to Service Fabric cluster over Http and performing operations to create and manage micro-services.</Description>
     <Summary>This package contains the reference assemblies for connecting to Service Fabric cluster over Http and performing operations to create and manage micro-services.</Summary>
+    <TargetFrameworkVersion>v4.8.1</TargetFrameworkVersion>
   </PropertyGroup>
   
   <Import Project="$(NuProjPath)\NuProj.props" />
diff --git a/nuprojs/SF.ClientLib.Internal/SF.ClientLib.Internal.nuproj b/nuprojs/SF.ClientLib.Internal/SF.ClientLib.Internal.nuproj
index d370c556..90fc6f59 100644
--- a/nuprojs/SF.ClientLib.Internal/SF.ClientLib.Internal.nuproj
+++ b/nuprojs/SF.ClientLib.Internal/SF.ClientLib.Internal.nuproj
@@ -9,6 +9,7 @@
       <Summary>This package provides Service Fabric Actors and Services libraries for consumption by other Service Fabric repos.</Summary>
       <Tags>ServiceFabric Microsoft Azure Fabric</Tags>
       <NoPackageAnalysis>true</NoPackageAnalysis>
+      <TargetFrameworkVersion>v4.8.1</TargetFrameworkVersion>
     </PropertyGroup>
 
     <Import Project="$(NuProjPath)\NuProj.props" />
diff --git a/nuprojs/SF.ClientLib.Sfx.Internal/SF.ClientLib.Sfx.Internal.nuproj b/nuprojs/SF.ClientLib.Sfx.Internal/SF.ClientLib.Sfx.Internal.nuproj
index 621c8add..4a0d38b8 100644
--- a/nuprojs/SF.ClientLib.Sfx.Internal/SF.ClientLib.Sfx.Internal.nuproj
+++ b/nuprojs/SF.ClientLib.Sfx.Internal/SF.ClientLib.Sfx.Internal.nuproj
@@ -9,6 +9,7 @@
       <Summary>This package provides Service Fabric Actors and Services libraries for consumption by other Service Fabric repos.</Summary>
       <Tags>ServiceFabric Microsoft Azure Fabric</Tags>
       <NoPackageAnalysis>true</NoPackageAnalysis>
+      <TargetFrameworkVersion>v4.8.1</TargetFrameworkVersion>
     </PropertyGroup>
 
     <Import Project="$(NuProjPath)\NuProj.props" />