diff --git a/Octokit.Tests.Integration/Octokit.Tests.Integration.csproj b/Octokit.Tests.Integration/Octokit.Tests.Integration.csproj
index f023046741..0a690798d5 100644
--- a/Octokit.Tests.Integration/Octokit.Tests.Integration.csproj
+++ b/Octokit.Tests.Integration/Octokit.Tests.Integration.csproj
@@ -4,7 +4,7 @@
     <Description>Integration tests for Octokit</Description>
     <AssemblyTitle>Octokit.Tests.Integration</AssemblyTitle>
     <Authors>GitHub</Authors>
-    <TargetFramework>netcoreapp1.0</TargetFramework>
+    <TargetFrameworks>netcoreapp1.0;net452</TargetFrameworks>
     <NoWarn>$(NoWarn);CS4014;CS1998</NoWarn>
     <AssemblyName>Octokit.Tests.Integration</AssemblyName>
     <PackageId>Octokit.Tests.Integration</PackageId>
@@ -27,7 +27,7 @@
     <None Include="app.config" />
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp1.0' ">
+  <ItemGroup>
     <ProjectReference Include="..\Octokit\Octokit.csproj" />
     <ProjectReference Include="..\Octokit.Reactive\Octokit.Reactive.csproj" />
     <ProjectReference Include="..\Octokit.Tests\Octokit.Tests.csproj" />
diff --git a/Octokit/Http/HttpClientAdapter.cs b/Octokit/Http/HttpClientAdapter.cs
index ca14a34821..0050aae34b 100644
--- a/Octokit/Http/HttpClientAdapter.cs
+++ b/Octokit/Http/HttpClientAdapter.cs
@@ -27,6 +27,10 @@ public HttpClientAdapter(Func<HttpMessageHandler> getHandler)
         {
             Ensure.ArgumentNotNull(getHandler, "getHandler");
 
+#if HAS_SERVICEPOINTMANAGER
+            ServicePointManager.SecurityProtocol |= SecurityProtocolType.Tls12;
+#endif
+
             _http = new HttpClient(new RedirectHandler { InnerHandler = getHandler() });
         }
 
@@ -278,4 +282,4 @@ public void SetRequestTimeout(TimeSpan timeout)
     internal class RedirectHandler : DelegatingHandler
     {
     }
-}
\ No newline at end of file
+}
diff --git a/Octokit/Octokit.csproj b/Octokit/Octokit.csproj
index 9388c8c645..1a561c058b 100644
--- a/Octokit/Octokit.csproj
+++ b/Octokit/Octokit.csproj
@@ -23,7 +23,7 @@
   </PropertyGroup>
 
   <PropertyGroup Condition=" '$(TargetFramework)' == 'net45' ">
-    <DefineConstants>$(DefineConstants);HAS_ENVIRONMENT;HAS_REGEX_COMPILED_OPTIONS;SIMPLE_JSON_INTERNAL,SIMPLE_JSON_OBJARRAYINTERNAL,SIMPLE_JSON_READONLY_COLLECTIONS</DefineConstants>
+    <DefineConstants>$(DefineConstants);HAS_ENVIRONMENT;HAS_REGEX_COMPILED_OPTIONS;SIMPLE_JSON_INTERNAL;SIMPLE_JSON_OBJARRAYINTERNAL;SIMPLE_JSON_READONLY_COLLECTIONS;HAS_SERVICEPOINTMANAGER</DefineConstants>
   </PropertyGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">