diff --git a/Directory.Packages.props b/Directory.Packages.props
index 2258eba..cc29841 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -7,7 +7,7 @@
     <PackageVersion Include="coverlet.collector" Version="10.0.1" />
     <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="10.0.300" />
     <PackageVersion Include="Npgsql.DependencyInjection" Version="10.0.3" />
-    <PackageVersion Include="NSchema.Core" Version="5.0.0-alpha.2" />
+    <PackageVersion Include="NSchema.Core" Version="5.0.0-alpha.4" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.7.0" />
     <PackageVersion Include="Npgsql" Version="10.0.3" />
     <PackageVersion Include="NSubstitute" Version="5.3.0" />
diff --git a/src/NSchema.Postgres/NSchema.Postgres.csproj b/src/NSchema.Postgres/NSchema.Postgres.csproj
index 408d1c6..33d8286 100644
--- a/src/NSchema.Postgres/NSchema.Postgres.csproj
+++ b/src/NSchema.Postgres/NSchema.Postgres.csproj
@@ -20,7 +20,7 @@
     <EmbedUntrackedSources>true</EmbedUntrackedSources>
     <IncludeSymbols>true</IncludeSymbols>
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>
-    <Version>5.0.0-alpha.3</Version>
+    <Version>5.0.0-alpha.4</Version>
     <AssemblyVersion>$(Version.Split('-')[0])</AssemblyVersion>
     <FileVersion>$(Version.Split('-')[0])</FileVersion>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
diff --git a/src/NSchema.Postgres/PostgresPlugin.cs b/src/NSchema.Postgres/PostgresPlugin.cs
index 322ae40..9c9c739 100644
--- a/src/NSchema.Postgres/PostgresPlugin.cs
+++ b/src/NSchema.Postgres/PostgresPlugin.cs
@@ -1,4 +1,5 @@
 using NSchema.Plugins;
+using NSchema.Plugins.Model.Config;
 
 namespace NSchema.Postgres;
 
diff --git a/tests/NSchema.Postgres.Tests/PostgresPluginEndToEndTests.cs b/tests/NSchema.Postgres.Tests/PostgresPluginEndToEndTests.cs
index 2b8d7e4..00a693c 100644
--- a/tests/NSchema.Postgres.Tests/PostgresPluginEndToEndTests.cs
+++ b/tests/NSchema.Postgres.Tests/PostgresPluginEndToEndTests.cs
@@ -1,6 +1,7 @@
 using NSchema.Model;
 using NSchema.Operations;
 using NSchema.Plugins;
+using NSchema.Plugins.Model.Config;
 using NSchema.Postgres.Sql;
 using NSchema.Postgres.Tests.Fixtures;
 
diff --git a/tests/NSchema.Postgres.Tests/PostgresPluginTests.cs b/tests/NSchema.Postgres.Tests/PostgresPluginTests.cs
index 06c50fe..6239488 100644
--- a/tests/NSchema.Postgres.Tests/PostgresPluginTests.cs
+++ b/tests/NSchema.Postgres.Tests/PostgresPluginTests.cs
@@ -1,5 +1,6 @@
 using NSchema.Plan.Backends;
 using NSchema.Plugins;
+using NSchema.Plugins.Model.Config;
 
 namespace NSchema.Postgres.Tests;