diff --git a/build/dependencies.props b/build/dependencies.props
index b80352d322..63cb68a2db 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -4,7 +4,11 @@
     <AspNetCoreVersion>1.2.0-*</AspNetCoreVersion>
     <CoreFxLabsVersion>0.1.0-*</CoreFxLabsVersion>
     <CoreFxVersion>4.3.0</CoreFxVersion>
+    <GoogleProtobufVersion>3.1.0</GoogleProtobufVersion>
+    <JsonNetVersion>9.0.1</JsonNetVersion>
+    <MoqVersion>4.7.1</MoqVersion>
     <NetStandardImplicitPackageVersion>1.6.1</NetStandardImplicitPackageVersion>
+    <RedisVersion>1.1.605</RedisVersion>
     <TestSdkVersion>15.0.0</TestSdkVersion>
     <XunitVersion>2.2.0</XunitVersion>
   </PropertyGroup>
diff --git a/client-ts/Microsoft.AspNetCore.SignalR.Client.TS/Microsoft.AspNetCore.SignalR.Client.TS.csproj b/client-ts/Microsoft.AspNetCore.SignalR.Client.TS/Microsoft.AspNetCore.SignalR.Client.TS.csproj
index 8f6f04d4de..d8a1c31c04 100644
--- a/client-ts/Microsoft.AspNetCore.SignalR.Client.TS/Microsoft.AspNetCore.SignalR.Client.TS.csproj
+++ b/client-ts/Microsoft.AspNetCore.SignalR.Client.TS/Microsoft.AspNetCore.SignalR.Client.TS.csproj
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <Project>
   <Import Project="Sdk.props" Sdk="Microsoft.NET.Sdk" />
   <Import Project="..\..\build\common.props" />
diff --git a/samples/SocialWeather/SocialWeather.csproj b/samples/SocialWeather/SocialWeather.csproj
index 9964b8ac0e..de4f995625 100644
--- a/samples/SocialWeather/SocialWeather.csproj
+++ b/samples/SocialWeather/SocialWeather.csproj
@@ -15,8 +15,8 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore" Version="$(AspNetCoreVersion)" />
     <PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="$(AspNetCoreVersion)" />
-    <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />
-    <PackageReference Include="Google.Protobuf" Version="3.1.0" />
+    <PackageReference Include="Newtonsoft.Json" Version="$(JsonNetVersion)" />
+    <PackageReference Include="Google.Protobuf" Version="$(GoogleProtobufVersion)" />
   </ItemGroup>
 
 </Project>
diff --git a/samples/SocketsSample/SocketsSample.csproj b/samples/SocketsSample/SocketsSample.csproj
index 88e2824add..a5b60470b0 100644
--- a/samples/SocketsSample/SocketsSample.csproj
+++ b/samples/SocketsSample/SocketsSample.csproj
@@ -13,10 +13,10 @@
     <ProjectReference Include="..\..\src\Microsoft.AspNetCore.SignalR.Redis\Microsoft.AspNetCore.SignalR.Redis.csproj" />
     <ProjectReference Include="..\..\client-ts\Microsoft.AspNetCore.SignalR.Client.TS\Microsoft.AspNetCore.SignalR.Client.TS.csproj" />
 
-    <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="$(JsonNetVersion)" />
     <PackageReference Include="Microsoft.AspNetCore" Version="$(AspNetCoreVersion)" />
     <PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="$(AspNetCoreVersion)" />
-    <PackageReference Include="Google.Protobuf" Version="3.1.0" />
+    <PackageReference Include="Google.Protobuf" Version="$(GoogleProtobufVersion)" />
   </ItemGroup>
 
   <Target Name="CopyTSClient" BeforeTargets="AfterBuild">
diff --git a/src/Microsoft.AspNetCore.SignalR.Common/Microsoft.AspNetCore.SignalR.Common.csproj b/src/Microsoft.AspNetCore.SignalR.Common/Microsoft.AspNetCore.SignalR.Common.csproj
index a124755d17..46f8bc7efd 100644
--- a/src/Microsoft.AspNetCore.SignalR.Common/Microsoft.AspNetCore.SignalR.Common.csproj
+++ b/src/Microsoft.AspNetCore.SignalR.Common/Microsoft.AspNetCore.SignalR.Common.csproj
@@ -12,7 +12,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.TaskCache.Sources" Version="$(AspNetCoreVersion)" PrivateAssets="All"/>
-    <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="$(JsonNetVersion)" />
   </ItemGroup>
 
 </Project>
diff --git a/src/Microsoft.AspNetCore.SignalR.Redis/Microsoft.AspNetCore.SignalR.Redis.csproj b/src/Microsoft.AspNetCore.SignalR.Redis/Microsoft.AspNetCore.SignalR.Redis.csproj
index 54b9ba99a6..1e7af94c43 100644
--- a/src/Microsoft.AspNetCore.SignalR.Redis/Microsoft.AspNetCore.SignalR.Redis.csproj
+++ b/src/Microsoft.AspNetCore.SignalR.Redis/Microsoft.AspNetCore.SignalR.Redis.csproj
@@ -13,7 +13,7 @@
   <ItemGroup>
     <ProjectReference Include="..\Microsoft.AspNetCore.SignalR\Microsoft.AspNetCore.SignalR.csproj" />
     <PackageReference Include="Microsoft.Extensions.TaskCache.Sources" Version="$(AspNetCoreVersion)" PrivateAssets="All"/>
-    <PackageReference Include="StackExchange.Redis.StrongName" Version="1.1.605" />
+    <PackageReference Include="StackExchange.Redis.StrongName" Version="$(RedisVersion)" />
   </ItemGroup>
 
 </Project>
diff --git a/src/Microsoft.AspNetCore.SignalR/Microsoft.AspNetCore.SignalR.csproj b/src/Microsoft.AspNetCore.SignalR/Microsoft.AspNetCore.SignalR.csproj
index 608c42cc56..39c3ac17c1 100644
--- a/src/Microsoft.AspNetCore.SignalR/Microsoft.AspNetCore.SignalR.csproj
+++ b/src/Microsoft.AspNetCore.SignalR/Microsoft.AspNetCore.SignalR.csproj
@@ -15,7 +15,7 @@
     <ProjectReference Include="..\Microsoft.AspNetCore.SignalR.Common\Microsoft.AspNetCore.SignalR.Common.csproj" />
     <PackageReference Include="Microsoft.Extensions.TaskCache.Sources" Version="$(AspNetCoreVersion)" PrivateAssets="All" />
     <PackageReference Include="Microsoft.Extensions.ClosedGenericMatcher.Sources" Version="$(AspNetCoreVersion)" PrivateAssets="All" />
-    <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="$(JsonNetVersion)" />
   </ItemGroup>
 
 </Project>
diff --git a/test/Microsoft.AspNetCore.SignalR.Tests/Microsoft.AspNetCore.SignalR.Tests.csproj b/test/Microsoft.AspNetCore.SignalR.Tests/Microsoft.AspNetCore.SignalR.Tests.csproj
index d8c3b520a9..3cdf91015a 100644
--- a/test/Microsoft.AspNetCore.SignalR.Tests/Microsoft.AspNetCore.SignalR.Tests.csproj
+++ b/test/Microsoft.AspNetCore.SignalR.Tests/Microsoft.AspNetCore.SignalR.Tests.csproj
@@ -31,7 +31,7 @@
     <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="$(AspNetCoreVersion)" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="$(AspNetCoreVersion)" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="$(TestSdkVersion)" />
-    <PackageReference Include="Moq" Version="4.7.0" />
+    <PackageReference Include="Moq" Version="$(MoqVersion)" />
     <PackageReference Include="xunit.runner.visualstudio" Version="$(XunitVersion)" />
     <PackageReference Include="xunit" Version="$(XunitVersion)" />
   </ItemGroup>
diff --git a/test/Microsoft.AspNetCore.Sockets.Client.Tests/Microsoft.AspNetCore.Client.Tests.csproj b/test/Microsoft.AspNetCore.Sockets.Client.Tests/Microsoft.AspNetCore.Client.Tests.csproj
index b5085e23fc..dd3a601855 100644
--- a/test/Microsoft.AspNetCore.Sockets.Client.Tests/Microsoft.AspNetCore.Client.Tests.csproj
+++ b/test/Microsoft.AspNetCore.Sockets.Client.Tests/Microsoft.AspNetCore.Client.Tests.csproj
@@ -20,7 +20,7 @@
     <ProjectReference Include="..\..\src\Microsoft.AspNetCore.Sockets.Client\Microsoft.AspNetCore.Sockets.Client.csproj" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="$(AspNetCoreVersion)" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="$(TestSdkVersion)" />
-    <PackageReference Include="Moq" Version="4.7.0" />
+    <PackageReference Include="Moq" Version="$(MoqVersion)" />
     <PackageReference Include="xunit.runner.visualstudio" Version="$(XunitVersion)" />
     <PackageReference Include="xunit" Version="$(XunitVersion)" />
   </ItemGroup>