diff --git a/Directory.Packages.props b/Directory.Packages.props
index bc53817..2f5ac6b 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -21,7 +21,7 @@
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="10.0.0" />
   </ItemGroup>
   <ItemGroup Label="Marten / PostgreSQL">
-    <PackageVersion Include="Marten" Version="7.34.1" />
+    <PackageVersion Include="Marten" Version="9.12.0" />
     <PackageVersion Include="Npgsql" Version="9.0.3" />
     <PackageVersion Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.4" />
   </ItemGroup>