diff --git a/src/Fluss.PostgreSQL/Fluss.PostgreSQL.csproj b/src/Fluss.PostgreSQL/Fluss.PostgreSQL.csproj
index 66ec37d..3b33e6c 100644
--- a/src/Fluss.PostgreSQL/Fluss.PostgreSQL.csproj
+++ b/src/Fluss.PostgreSQL/Fluss.PostgreSQL.csproj
@@ -16,8 +16,8 @@
     <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.Json.NET" Version="8.0.4" />
+        <PackageReference Include="Npgsql" Version="9.0.1" />
+        <PackageReference Include="Npgsql.Json.NET" Version="9.0.1" />
     </ItemGroup>
 
     <ItemGroup>