diff --git a/build/common.props b/build/common.props
index e9df5204ba..7fe563d377 100644
--- a/build/common.props
+++ b/build/common.props
@@ -1,4 +1,5 @@
 <Project>
+  <Import Project="dependencies.props" />
   <Import Project="..\version.props" />
 
   <PropertyGroup>
@@ -7,8 +8,6 @@
     <AssemblyOriginatorKeyFile>$(MSBuildThisFileDirectory)Key.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
     <PublicSign Condition="'$(OS)' != 'Windows_NT'">true</PublicSign>
-    <NetCoreAppImplicitPackageVersion>1.2.0-*</NetCoreAppImplicitPackageVersion>
-    <NetStandardImplicitPackageVersion>1.6.2-*</NetStandardImplicitPackageVersion>
     <VersionSuffix Condition="'$(VersionSuffix)'!='' AND '$(BuildNumber)' != ''">$(VersionSuffix)-$(BuildNumber)</VersionSuffix>
   </PropertyGroup>
 
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/src/Microsoft.Extensions.Localization.Abstractions/Microsoft.Extensions.Localization.Abstractions.csproj b/src/Microsoft.Extensions.Localization.Abstractions/Microsoft.Extensions.Localization.Abstractions.csproj
index a6f2e6a71d..9aa583a2ab 100644
--- a/src/Microsoft.Extensions.Localization.Abstractions/Microsoft.Extensions.Localization.Abstractions.csproj
+++ b/src/Microsoft.Extensions.Localization.Abstractions/Microsoft.Extensions.Localization.Abstractions.csproj
@@ -15,7 +15,7 @@ Microsoft.Extensions.Localization.IStringLocalizer&lt;T&gt;</Description>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CSharp" Version="4.4.0-*" />
+    <PackageReference Include="Microsoft.CSharp" Version="$(CoreFxVersion)" />
   </ItemGroup>
 
 </Project>
diff --git a/src/Microsoft.Extensions.Localization/Microsoft.Extensions.Localization.csproj b/src/Microsoft.Extensions.Localization/Microsoft.Extensions.Localization.csproj
index 11d971a8f9..191888177f 100644
--- a/src/Microsoft.Extensions.Localization/Microsoft.Extensions.Localization.csproj
+++ b/src/Microsoft.Extensions.Localization/Microsoft.Extensions.Localization.csproj
@@ -18,7 +18,7 @@
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.3' ">
-    <PackageReference Include="System.Resources.Reader" Version="4.4.0-*" />
+    <PackageReference Include="System.Resources.Reader" Version="$(CoreFxVersion)" />
   </ItemGroup>
 
 </Project>
diff --git a/test/LocalizationWebsite/StartupResourcesAtRootFolder.cs b/test/LocalizationWebsite/StartupResourcesAtRootFolder.cs
index 3a80a387c5..47a9e32c88 100644
--- a/test/LocalizationWebsite/StartupResourcesAtRootFolder.cs
+++ b/test/LocalizationWebsite/StartupResourcesAtRootFolder.cs
@@ -3,6 +3,7 @@
 
 using System.Collections.Generic;
 using System.Globalization;
+using System.Reflection;
 using LocalizationWebsite.Models;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Http;
@@ -42,7 +43,8 @@ namespace LocalizationWebsite
                 }
             });
 
-            var stringLocalizer = stringLocalizerFactory.Create("Test", location: typeof(LocalizationWebsite.StartupResourcesAtRootFolder).Assembly.GetName().Name);
+            var location = typeof(LocalizationWebsite.StartupResourcesAtRootFolder).GetTypeInfo().Assembly.GetName().Name;
+            var stringLocalizer = stringLocalizerFactory.Create("Test", location: location);
 
             app.Run(async (context) =>
             {
diff --git a/test/LocalizationWebsite/StartupResourcesInFolder.cs b/test/LocalizationWebsite/StartupResourcesInFolder.cs
index 8c54ee74fd..52f47ce67b 100644
--- a/test/LocalizationWebsite/StartupResourcesInFolder.cs
+++ b/test/LocalizationWebsite/StartupResourcesInFolder.cs
@@ -43,7 +43,7 @@ namespace LocalizationWebsite
                 }
             });
 
-            var assemblyName = typeof(StartupResourcesInFolder).Assembly.GetName().Name;
+            var assemblyName = typeof(StartupResourcesInFolder).GetTypeInfo().Assembly.GetName().Name;
             var stringLocalizer = stringLocalizerFactory.Create("Test", assemblyName);
 
             app.Run(async (context) =>
diff --git a/test/Microsoft.Extensions.Localization.Tests/Microsoft.Extensions.Localization.Tests.csproj b/test/Microsoft.Extensions.Localization.Tests/Microsoft.Extensions.Localization.Tests.csproj
index 27d9c31bac..8356b9a5da 100644
--- a/test/Microsoft.Extensions.Localization.Tests/Microsoft.Extensions.Localization.Tests.csproj
+++ b/test/Microsoft.Extensions.Localization.Tests/Microsoft.Extensions.Localization.Tests.csproj
@@ -16,8 +16,7 @@
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp1.1' ">
-    <PackageReference Include="System.Diagnostics.TraceSource" Version="4.4.0-*" />
-    <PackageReference Include="System.Resources.Writer" Version="4.4.0-*" />
+    <PackageReference Include="System.Resources.Writer" Version="$(CoreFxVersion)" />
   </ItemGroup>
 
   <ItemGroup>