diff --git a/nuprojs/Microsoft.ServiceFabric.Actors.KVSToRCMigration/Microsoft.ServiceFabric.Actors.KVSToRCMigration.nuproj b/nuprojs/Microsoft.ServiceFabric.Actors.KVSToRCMigration/Microsoft.ServiceFabric.Actors.KVSToRCMigration.nuproj
index c5c0dad8..160cb9d9 100644
--- a/nuprojs/Microsoft.ServiceFabric.Actors.KVSToRCMigration/Microsoft.ServiceFabric.Actors.KVSToRCMigration.nuproj
+++ b/nuprojs/Microsoft.ServiceFabric.Actors.KVSToRCMigration/Microsoft.ServiceFabric.Actors.KVSToRCMigration.nuproj
@@ -8,6 +8,7 @@
       <Description>This package contains the Actor Framework KVS to RC Migration APIs.</Description>
       <Summary>This package contains the Actor Framework KVS to RC Migration APIs.</Summary>
       <Tags>ServiceFabric Microsoft Azure Fabric Actors</Tags>
+      <TargetFrameworkVersion>v4.8.1</TargetFrameworkVersion>
     </PropertyGroup>
 
     <Import Project="$(NuProjPath)\NuProj.props" />
diff --git a/nuprojs/Microsoft.ServiceFabric.Actors.Wcf/Microsoft.ServiceFabric.Actors.Wcf.nuproj b/nuprojs/Microsoft.ServiceFabric.Actors.Wcf/Microsoft.ServiceFabric.Actors.Wcf.nuproj
index 30b6b048..c9932f5e 100644
--- a/nuprojs/Microsoft.ServiceFabric.Actors.Wcf/Microsoft.ServiceFabric.Actors.Wcf.nuproj
+++ b/nuprojs/Microsoft.ServiceFabric.Actors.Wcf/Microsoft.ServiceFabric.Actors.Wcf.nuproj
@@ -8,6 +8,7 @@
       <Description>This package provides Windows Communication Foundation (WCF) to be used as the communication mechanism for Service Fabric microservices built using the Actor Framework APIs.</Description>
       <Summary>This package provides Windows Communication Foundation (WCF) to be used as the communication mechanism for Service Fabric microservices built using the Actor Framework APIs.</Summary>
       <Tags>ServiceFabric Microsoft Azure Fabric Actors</Tags>
+      <TargetFrameworkVersion>v4.8.1</TargetFrameworkVersion>
     </PropertyGroup>
 
     <Import Project="$(NuProjPath)\NuProj.props" />
diff --git a/nuprojs/Microsoft.ServiceFabric.Actors/Microsoft.ServiceFabric.Actors.nuproj b/nuprojs/Microsoft.ServiceFabric.Actors/Microsoft.ServiceFabric.Actors.nuproj
index a00e9868..4c2d4154 100644
--- a/nuprojs/Microsoft.ServiceFabric.Actors/Microsoft.ServiceFabric.Actors.nuproj
+++ b/nuprojs/Microsoft.ServiceFabric.Actors/Microsoft.ServiceFabric.Actors.nuproj
@@ -8,6 +8,7 @@
       <Description>This package contains the common Actor Framework APIs for building and connecting to reliable services on Microsoft Service Fabric.</Description>
       <Summary>This package contains the common Actor Framework APIs for building and connecting to reliable services on Microsoft Service Fabric.</Summary>
       <Tags>ServiceFabric Microsoft Azure Fabric Actors</Tags>
+      <TargetFrameworkVersion>v4.8.1</TargetFrameworkVersion>
     </PropertyGroup>
 
     <Import Project="$(NuProjPath)\NuProj.props" />
diff --git a/nuprojs/Microsoft.ServiceFabric.Services.Remoting/Microsoft.ServiceFabric.Services.Remoting.nuproj b/nuprojs/Microsoft.ServiceFabric.Services.Remoting/Microsoft.ServiceFabric.Services.Remoting.nuproj
index a4961fab..3007b0df 100644
--- a/nuprojs/Microsoft.ServiceFabric.Services.Remoting/Microsoft.ServiceFabric.Services.Remoting.nuproj
+++ b/nuprojs/Microsoft.ServiceFabric.Services.Remoting/Microsoft.ServiceFabric.Services.Remoting.nuproj
@@ -8,6 +8,7 @@
       <Description>This package contains Service Framework Remoting APIs for building and connecting to reliable services on Microsoft Service Fabric.</Description>
       <Summary>This package contains Service Framework Remoting APIs for building and connecting to reliable services on Microsoft Service Fabric.</Summary>
       <Tags>ServiceFabric Microsoft Azure Fabric</Tags>
+      <TargetFrameworkVersion>v4.8.1</TargetFrameworkVersion>
     </PropertyGroup>
 
     <Import Project="$(NuProjPath)\NuProj.props" />
diff --git a/nuprojs/Microsoft.ServiceFabric.Services.Wcf/Microsoft.ServiceFabric.Services.Wcf.nuproj b/nuprojs/Microsoft.ServiceFabric.Services.Wcf/Microsoft.ServiceFabric.Services.Wcf.nuproj
index 64921f51..e7eace1a 100644
--- a/nuprojs/Microsoft.ServiceFabric.Services.Wcf/Microsoft.ServiceFabric.Services.Wcf.nuproj
+++ b/nuprojs/Microsoft.ServiceFabric.Services.Wcf/Microsoft.ServiceFabric.Services.Wcf.nuproj
@@ -8,6 +8,7 @@
       <Description>This package provides Windows Communication Foundation (WCF) to be used as the communication mechanism for Service Fabric microservices.</Description>
       <Summary>This package provides Windows Communication Foundation (WCF) to be used as the communication mechanism for Service Fabric microservices.</Summary>
       <Tags>ServiceFabric Microsoft Azure Fabric</Tags>
+      <TargetFrameworkVersion>v4.8.1</TargetFrameworkVersion>
     </PropertyGroup>
 
     <Import Project="$(NuProjPath)\NuProj.props" />
diff --git a/nuprojs/Microsoft.ServiceFabric.Services/Microsoft.ServiceFabric.Services.nuproj b/nuprojs/Microsoft.ServiceFabric.Services/Microsoft.ServiceFabric.Services.nuproj
index 969fcb50..b57c2931 100644
--- a/nuprojs/Microsoft.ServiceFabric.Services/Microsoft.ServiceFabric.Services.nuproj
+++ b/nuprojs/Microsoft.ServiceFabric.Services/Microsoft.ServiceFabric.Services.nuproj
@@ -8,6 +8,7 @@
       <Description>This package contains the common Service Framework APIs for building and connecting to reliable services on Microsoft Service Fabric.</Description>
       <Summary>This package contains the common Service Framework APIs for building and connecting to reliable services on Microsoft Service Fabric.</Summary>
       <Tags>ServiceFabric Microsoft Azure Fabric</Tags>
+      <TargetFrameworkVersion>v4.8.1</TargetFrameworkVersion>
     </PropertyGroup>
 
     <Import Project="$(NuProjPath)\NuProj.props" />
diff --git a/nuprojs/SF.ActorsServices.Internal/SF.ActorsServices.Internal.nuproj b/nuprojs/SF.ActorsServices.Internal/SF.ActorsServices.Internal.nuproj
index 131fb4c8..d7efba04 100644
--- a/nuprojs/SF.ActorsServices.Internal/SF.ActorsServices.Internal.nuproj
+++ b/nuprojs/SF.ActorsServices.Internal/SF.ActorsServices.Internal.nuproj
@@ -8,6 +8,7 @@
       <Description>This package provides Service Fabric Actors and Services libraries for consumption by other Service Fabric repos.</Description>
       <Summary>This package provides Service Fabric Actors and Services libraries for consumption by other Service Fabric repos.</Summary>
       <Tags>ServiceFabric Microsoft Azure Fabric</Tags>
+      <TargetFrameworkVersion>v4.8.1</TargetFrameworkVersion>
     </PropertyGroup>
 
     <Import Project="$(NuProjPath)\NuProj.props" />