diff --git a/src/Fluss.PostgreSQL.IntegrationTest/Fluss.PostgreSQL.IntegrationTest.csproj b/src/Fluss.PostgreSQL.IntegrationTest/Fluss.PostgreSQL.IntegrationTest.csproj
index e537834..f0ed33b 100644
--- a/src/Fluss.PostgreSQL.IntegrationTest/Fluss.PostgreSQL.IntegrationTest.csproj
+++ b/src/Fluss.PostgreSQL.IntegrationTest/Fluss.PostgreSQL.IntegrationTest.csproj
@@ -13,7 +13,7 @@
         <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="8.0.0"/>
         <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.0"/>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0"/>
-        <PackageReference Include="Npgsql" Version="8.0.4"/>
+        <PackageReference Include="Npgsql" Version="9.0.2"/>
         <PackageReference Include="xunit" Version="2.9.2"/>
         <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2"/>
     </ItemGroup>
diff --git a/src/Fluss.PostgreSQL/Fluss.PostgreSQL.csproj b/src/Fluss.PostgreSQL/Fluss.PostgreSQL.csproj
index 66ec37d..f431c6a 100644
--- a/src/Fluss.PostgreSQL/Fluss.PostgreSQL.csproj
+++ b/src/Fluss.PostgreSQL/Fluss.PostgreSQL.csproj
@@ -16,7 +16,7 @@
     <ItemGroup>
         <PackageReference Include="FluentMigrator.Runner.Postgres" Version="5.2.0" />
         <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="8.0.0" />
-        <PackageReference Include="Npgsql" Version="8.0.4" />
+        <PackageReference Include="Npgsql" Version="9.0.2" />
         <PackageReference Include="Npgsql.Json.NET" Version="8.0.4" />
     </ItemGroup>