diff --git a/src/core/Wyam.Hosting/Wyam.Hosting.csproj b/src/core/Wyam.Hosting/Wyam.Hosting.csproj
index d8c6351a..bea8b0ba 100644
--- a/src/core/Wyam.Hosting/Wyam.Hosting.csproj
+++ b/src/core/Wyam.Hosting/Wyam.Hosting.csproj
@@ -16,7 +16,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Owin" Version="2.1.1" />
     <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="2.1.3" />
     <PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="2.1.1" />
-    <PackageReference Include="Microsoft.AspNetCore.WebSockets" Version="2.1.1" />
+    <PackageReference Include="Microsoft.AspNetCore.WebSockets" Version="2.2.1" />
     <PackageReference Include="Microsoft.Extensions.FileProviders.Composite" Version="2.1.1" />
     <PackageReference Include="Microsoft.Extensions.FileProviders.Embedded" Version="2.1.1" />
     <PackageReference Include="Microsoft.Extensions.FileProviders.Physical" Version="2.1.1" />