diff --git a/src/Server/MultiplexedWebSockets.Server.csproj b/src/Server/MultiplexedWebSockets.Server.csproj
index f0e529c..472b117 100644
--- a/src/Server/MultiplexedWebSockets.Server.csproj
+++ b/src/Server/MultiplexedWebSockets.Server.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>netcoreapp2.1</TargetFramework>
@@ -25,7 +25,7 @@
     <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.6.2" developmentDependency="true" PrivateAssets="all" />
     <PackageReference Include="Microsoft.DotNet.Analyzers.Compatibility" Version="0.2.12-alpha" developmentDependency="true" PrivateAssets="all" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.0.2" developmentDependency="true" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.AspNetCore.WebSockets" Version="2.1.1" />
+    <PackageReference Include="Microsoft.AspNetCore.WebSockets" Version="2.1.7" />
     <PackageReference Include="System.Net.WebSockets" Version="4.3.0" />
   </ItemGroup>