diff --git a/build/common.props b/build/common.props
index 0e4949c657..318a8bd11a 100644
--- a/build/common.props
+++ b/build/common.props
@@ -1,8 +1,8 @@
 <Project>
+  <Import Project="dependencies.props" />
   <Import Project="..\version.props" />
 
   <PropertyGroup>
-    <NetCoreAppImplicitPackageVersion>1.2.0-*</NetCoreAppImplicitPackageVersion>
   </PropertyGroup>
 
   <ItemGroup>
@@ -10,4 +10,4 @@
     <PackageReference Include="Internal.AspNetCore.Sdk" Version="1.0.1-*" PrivateAssets="All" />
   </ItemGroup>
 
-</Project>
\ No newline at end of file
+</Project>
diff --git a/build/dependencies.props b/build/dependencies.props
new file mode 100644
index 0000000000..e704edaec0
--- /dev/null
+++ b/build/dependencies.props
@@ -0,0 +1,6 @@
+<Project>
+  <PropertyGroup>
+    <NetStandardImplicitPackageVersion>1.6.1</NetStandardImplicitPackageVersion>
+    <CoreFxVersion>4.3.0</CoreFxVersion>
+  </PropertyGroup>
+</Project>
diff --git a/test/E2ETests/E2ETests.csproj b/test/E2ETests/E2ETests.csproj
index 1f5ea85095..284d235fdb 100644
--- a/test/E2ETests/E2ETests.csproj
+++ b/test/E2ETests/E2ETests.csproj
@@ -19,7 +19,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Identity" Version="1.2.0-*" />
     <PackageReference Include="Microsoft.AspNetCore.Server.IntegrationTesting" Version="0.3.0-*" />
     <PackageReference Include="Microsoft.AspNetCore.WebUtilities" Version="1.2.0-*" />
-    <PackageReference Include="Microsoft.DotNet.PlatformAbstractions" Version="1.2.0-*" />
+    <PackageReference Include="Microsoft.DotNet.PlatformAbstractions" Version="1.1.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="1.2.0-*" />
     <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="1.2.0-*" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="1.2.0-*" />
@@ -27,8 +27,8 @@
     <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="1.2.0-*" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.2.0-*" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-*" />
-    <PackageReference Include="System.Data.SqlClient" Version="4.4.0-*" />
-    <PackageReference Include="System.Xml.XmlDocument" Version="4.4.0-*" />
+    <PackageReference Include="System.Data.SqlClient" Version="$(CoreFxVersion)" />
+    <PackageReference Include="System.Xml.XmlDocument" Version="$(CoreFxVersion)" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-*" />
     <PackageReference Include="xunit" Version="2.2.0-*" />
     <DotNetCliToolReference Include="Microsoft.Extensions.SecretManager.Tools" Version="1.0.1-*" />