diff --git a/PersonnelDepartment/PersonnelDepartmentBusinessLogic/PersonnelDepartmentBusinessLogic.csproj b/PersonnelDepartment/PersonnelDepartmentBusinessLogic/PersonnelDepartmentBusinessLogic.csproj
index fa71b7a..78809a3 100644
--- a/PersonnelDepartment/PersonnelDepartmentBusinessLogic/PersonnelDepartmentBusinessLogic.csproj
+++ b/PersonnelDepartment/PersonnelDepartmentBusinessLogic/PersonnelDepartmentBusinessLogic.csproj
@@ -6,4 +6,9 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\PersonnelDepartmentContracts\PersonnelDepartmentContracts.csproj" />
+    <ProjectReference Include="..\PersonnelDepartmentDataModels\PersonnelDepartmentDataModels.csproj" />
+  </ItemGroup>
+
 </Project>
diff --git a/PersonnelDepartment/PersonnelDepartmentContracts/PersonnelDepartmentContracts.csproj b/PersonnelDepartment/PersonnelDepartmentContracts/PersonnelDepartmentContracts.csproj
index fa71b7a..4f9efbc 100644
--- a/PersonnelDepartment/PersonnelDepartmentContracts/PersonnelDepartmentContracts.csproj
+++ b/PersonnelDepartment/PersonnelDepartmentContracts/PersonnelDepartmentContracts.csproj
@@ -6,4 +6,8 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\PersonnelDepartmentDataModels\PersonnelDepartmentDataModels.csproj" />
+  </ItemGroup>
+
 </Project>
diff --git a/PersonnelDepartment/PersonnelDepartmentDatabaseImplement/PersonnelDepartmentDatabaseImplement.csproj b/PersonnelDepartment/PersonnelDepartmentDatabaseImplement/PersonnelDepartmentDatabaseImplement.csproj
index fa71b7a..0d60e33 100644
--- a/PersonnelDepartment/PersonnelDepartmentDatabaseImplement/PersonnelDepartmentDatabaseImplement.csproj
+++ b/PersonnelDepartment/PersonnelDepartmentDatabaseImplement/PersonnelDepartmentDatabaseImplement.csproj
@@ -6,4 +6,18 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.5" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.5">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="8.0.4" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\PersonnelDepartmentContracts\PersonnelDepartmentContracts.csproj" />
+    <ProjectReference Include="..\PersonnelDepartmentDataModels\PersonnelDepartmentDataModels.csproj" />
+  </ItemGroup>
+
 </Project>
diff --git a/PersonnelDepartment/PersonnelDepartmentView/PersonnelDepartmentView.csproj b/PersonnelDepartment/PersonnelDepartmentView/PersonnelDepartmentView.csproj
index 663fdb8..54f7a40 100644
--- a/PersonnelDepartment/PersonnelDepartmentView/PersonnelDepartmentView.csproj
+++ b/PersonnelDepartment/PersonnelDepartmentView/PersonnelDepartmentView.csproj
@@ -8,4 +8,12 @@
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.5">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
+  </ItemGroup>
+
 </Project>
\ No newline at end of file