diff --git a/WebSocketApp/WebSocketApp.fsproj b/WebSocketApp/WebSocketApp.fsproj
index 4394d58..1d69fea 100644
--- a/WebSocketApp/WebSocketApp.fsproj
+++ b/WebSocketApp/WebSocketApp.fsproj
@@ -27,7 +27,7 @@
     <PackageReference Include="Giraffe" Version="3.1.0" />
     <PackageReference Include="Giraffe.Razor" Version="1.3.*" />
     <Watch Include="**\*.cshtml" Exclude="bin\**\*" />
-    <PackageReference Include="Microsoft.AspNetCore.WebSockets" Version="2.1.1" />
+    <PackageReference Include="Microsoft.AspNetCore.WebSockets" Version="2.1.7" />
     <PackageReference Include="TaskBuilder.fs" Version="2.1.0" />
     <ProjectReference Include="..\FsharpExchangeDotNetStandard\FsharpExchangeDotNetStandard.fsproj" />
   </ItemGroup>