diff --git a/Octokit/Octokit-Portable.csproj b/Octokit/Octokit-Portable.csproj
index 0781d6fa..ce54f593 100644
--- a/Octokit/Octokit-Portable.csproj
+++ b/Octokit/Octokit-Portable.csproj
@@ -11,7 +11,7 @@
     <RootNamespace>Octokit</RootNamespace>
     <AssemblyName>Octokit</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <TargetFrameworkProfile>Profile78</TargetFrameworkProfile>
+    <TargetFrameworkProfile>Profile259</TargetFrameworkProfile>
     <FileAlignment>512</FileAlignment>
     <CodeAnalysisCulture>en-US</CodeAnalysisCulture>
     <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
@@ -366,4 +366,4 @@
   <Target Name="AfterBuild">
   </Target>
   -->
-</Project>
\ No newline at end of file
+</Project>
diff --git a/build.fsx b/build.fsx
index 416cb336..07a73b1d 100644
--- a/build.fsx
+++ b/build.fsx
@@ -97,7 +97,7 @@ Target "IntegrationTests" (fun _ ->
 Target "CreateOctokitPackage" (fun _ ->
     let net45Dir = packagingDir @@ "lib/net45/"
     let netcore45Dir = packagingDir @@ "lib/netcore45/"
-    let portableDir = packagingDir @@ "lib/portable-net45+wp80+win/"
+    let portableDir = packagingDir @@ "lib/portable-net45+wp80+win+wpa81/"
     CleanDirs [net45Dir; netcore45Dir; portableDir]
 
     CopyFile net45Dir (buildDir @@ "Release/Net45/Octokit.dll")
@@ -166,4 +166,4 @@ Target "CreatePackages" DoNothing
 "CreateOctokitReactivePackage"
    ==> "CreatePackages"
 
-RunTargetOrDefault "Default"
\ No newline at end of file
+RunTargetOrDefault "Default"