diff --git a/Sources/Model/Participate.cs b/Sources/Model/Participate.cs
new file mode 100644
index 0000000..94b0f5a
--- /dev/null
+++ b/Sources/Model/Participate.cs
@@ -0,0 +1,11 @@
+using System;
+namespace Model
+{
+	public class Participate
+	{
+		public Participate()
+		{
+		}
+	}
+}
+
diff --git a/Sources/Trek12_Lib/EntityFrameWorkLib.csproj b/Sources/Trek12_Lib/EntityFrameWorkLib.csproj
index b8e4722..473649d 100644
--- a/Sources/Trek12_Lib/EntityFrameWorkLib.csproj
+++ b/Sources/Trek12_Lib/EntityFrameWorkLib.csproj
@@ -13,9 +13,9 @@
     <None Remove="Microsoft.EntityFrameworkCore.Tools" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.2" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="7.0.2" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="7.0.2">
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.4" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="7.0.4" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="7.0.4">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>