diff --git a/DubUrl.Adomd.Testing/DubUrl.Adomd.Testing.csproj b/DubUrl.Adomd.Testing/DubUrl.Adomd.Testing.csproj
index 9fbc8e31..f10f01b6 100644
--- a/DubUrl.Adomd.Testing/DubUrl.Adomd.Testing.csproj
+++ b/DubUrl.Adomd.Testing/DubUrl.Adomd.Testing.csproj
@@ -2,6 +2,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
     <PackageReference Include="Moq" Version="4.20.72" />
+    <PackageReference Include="Npgsql" Version="9.0.1" />
     <PackageReference Include="NUnit" Version="4.2.2" />
     <PackageReference Include="NUnit.Analyzers" Version="4.3.0">
       <PrivateAssets>all</PrivateAssets>
diff --git a/DubUrl.Adomd/DubUrl.Adomd.csproj b/DubUrl.Adomd/DubUrl.Adomd.csproj
index f721444b..828a5245 100644
--- a/DubUrl.Adomd/DubUrl.Adomd.csproj
+++ b/DubUrl.Adomd/DubUrl.Adomd.csproj
@@ -2,13 +2,23 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AnalysisServices.AdomdClient.NetCore.retail.amd64" Version="19.84.1" />
+  </ItemGroup>
+  <ItemGroup Condition="'$(TargetFramework)' != 'net9.0'">
     <PackageReference Include="System.Management" Version="8.0.0" />
   </ItemGroup>
+  <ItemGroup Condition="'$(TargetFramework)' == 'net9.0'">
+    <PackageReference Include="System.Management" Version="9.0.0" />
+  </ItemGroup>
   
   <ItemGroup>
     <PackageReference Include="Microsoft.Identity.Client" Version="4.66.2" />
   </ItemGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\DubUrl.Core\DubUrl.csproj" />
+  </ItemGroup>
+
+
   <ItemGroup>
     <ProjectReference Include="..\DubUrl.Core\DubUrl.csproj" />
   </ItemGroup>
diff --git a/DubUrl.OleDb.Testing/DubUrl.OleDb.Testing.csproj b/DubUrl.OleDb.Testing/DubUrl.OleDb.Testing.csproj
index 153003a3..e4b28e51 100644
--- a/DubUrl.OleDb.Testing/DubUrl.OleDb.Testing.csproj
+++ b/DubUrl.OleDb.Testing/DubUrl.OleDb.Testing.csproj
@@ -2,6 +2,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
     <PackageReference Include="Moq" Version="4.20.72" />
+    <PackageReference Include="Npgsql" Version="9.0.1" />
     <PackageReference Include="NUnit" Version="4.2.2" />
     <PackageReference Include="NUnit.Analyzers" Version="4.3.0">
       <PrivateAssets>all</PrivateAssets>
diff --git a/DubUrl.QA/DubUrl.QA.csproj b/DubUrl.QA/DubUrl.QA.csproj
index 35536ff7..3c2d9a2b 100644
--- a/DubUrl.QA/DubUrl.QA.csproj
+++ b/DubUrl.QA/DubUrl.QA.csproj
@@ -96,7 +96,7 @@
     <PackageReference Include="Microsoft.Data.SqlClient" Version="5.2.2" />
     <PackageReference Include="Microsoft.Data.Sqlite.Core" Version="9.0.0" />
     <PackageReference Include="MySqlConnector" Version="2.3.7" />
-    <PackageReference Include="Npgsql" Version="8.0.5" />
+    <PackageReference Include="Npgsql" Version="9.0.1" />
     <PackageReference Include="NReco.PrestoAdo" Version="1.1.0" />
     <PackageReference Include="SingleStoreConnector" Version="1.1.4" />
     <PackageReference Include="SQLitePCLRaw.bundle_e_sqlite3" Version="2.1.10" />
diff --git a/DubUrl.Testing/DubUrl.Testing.csproj b/DubUrl.Testing/DubUrl.Testing.csproj
index ece63388..81dc35c5 100644
--- a/DubUrl.Testing/DubUrl.Testing.csproj
+++ b/DubUrl.Testing/DubUrl.Testing.csproj
@@ -11,19 +11,22 @@
     <PackageReference Include="Net.IBM.Data.Db2" Version="7.0.0.400" Condition="'$(TargetFramework)' != 'net8.0'" />
     <PackageReference Include="Microsoft.Data.Sqlite.Core" Version="9.0.0" />
     <PackageReference Include="MySql.Data" Version="9.1.0" />
-    <PackageReference Include="MySqlConnector" Version="2.3.7" />
-    <PackageReference Include="Npgsql" Version="8.0.5" />
     <PackageReference Include="Oracle.ManagedDataAccess.Core" Version="23.6.1" />
     <PackageReference Include="SingleStoreConnector" Version="1.1.4" />
     <PackageReference Include="Snowflake.Data" Version="4.2.0" />
-    <PackageReference Include="System.Management" Version="8.0.0" />
     <PackageReference Include="Teradata.Client.Provider" Version="20.0.3" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' != 'net9.0'">
+    <PackageReference Include="System.Management" Version="8.0.0" />
+    <PackageReference Include="Npgsql" Version="8.0.5" />
+    <PackageReference Include="MySqlConnector" Version="2.3.7" />
     <PackageReference Include="System.Data.Odbc" Version="8.0.1" />
     <PackageReference Include="System.Data.OleDb" Version="8.0.1" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'net9.0'">
+    <PackageReference Include="System.Management" Version="9.0.0" />
+    <PackageReference Include="Npgsql" Version="9.0.1" />
+    <PackageReference Include="MySqlConnector" Version="2.4.0" />
     <PackageReference Include="System.Data.Odbc" Version="9.0.0" />
     <PackageReference Include="System.Data.OleDb" Version="9.0.0" />
   </ItemGroup>