diff --git a/Octokit.Reactive/Octokit.Reactive.csproj b/Octokit.Reactive/Octokit.Reactive.csproj
index 25c26a9f..3e0f04d9 100644
--- a/Octokit.Reactive/Octokit.Reactive.csproj
+++ b/Octokit.Reactive/Octokit.Reactive.csproj
@@ -7,6 +7,7 @@
     <Version>0.0.0-dev</Version>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <TargetFrameworks>netstandard1.1;net45</TargetFrameworks>
+    <NetStandardImplicitPackageVersion>1.6.0</NetStandardImplicitPackageVersion>
     <AssemblyName>Octokit.Reactive</AssemblyName>
     <PackageId>Octokit.Reactive</PackageId>
     <DebugType>embedded</DebugType>
diff --git a/Octokit/Octokit.csproj b/Octokit/Octokit.csproj
index f3d396c7..9388c8c6 100644
--- a/Octokit/Octokit.csproj
+++ b/Octokit/Octokit.csproj
@@ -7,6 +7,7 @@
     <Version>0.0.0-dev</Version>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <TargetFrameworks>netstandard1.1;net45</TargetFrameworks>
+    <NetStandardImplicitPackageVersion>1.6.0</NetStandardImplicitPackageVersion>
     <AssemblyName>Octokit</AssemblyName>
     <PackageId>Octokit</PackageId>
     <DebugType>embedded</DebugType>