diff --git a/WebSubClient/WebSubClient.csproj b/WebSubClient/WebSubClient.csproj
index 7f7dc81..17e8e39 100644
--- a/WebSubClient/WebSubClient.csproj
+++ b/WebSubClient/WebSubClient.csproj
@@ -16,7 +16,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.1.5" />
+    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.1.15" />
     <PackageReference Include="Microsoft.AspNetCore.SignalR" Version="1.0.4" />
   </ItemGroup>