diff --git a/build/common.props b/build/common.props
index 1e587d56c4..a885a6456b 100644
--- a/build/common.props
+++ b/build/common.props
@@ -1,5 +1,6 @@
-<Project ToolsVersion="15.0">
+<Project>
 
+  <Import Project="dependencies.props" />
   <Import Project="..\version.props" />
 
   <PropertyGroup>
@@ -10,8 +11,6 @@
     <SignAssembly>true</SignAssembly>
     <PublicSign Condition="'$(OS)' != 'Windows_NT'">true</PublicSign>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <NetCoreAppImplicitPackageVersion>1.2.0-*</NetCoreAppImplicitPackageVersion>
-    <NetStandardImplicitPackageVersion>1.6.2-*</NetStandardImplicitPackageVersion>
     <VersionSuffix Condition="'$(VersionSuffix)'!='' AND '$(BuildNumber)' != ''">$(VersionSuffix)-$(BuildNumber)</VersionSuffix>
   </PropertyGroup>
 
@@ -23,4 +22,4 @@
     <PackageReference Include="NETStandard.Library" Version="$(NetStandardImplicitPackageVersion)" />
   </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>