diff --git a/src/IdentityServer4.Postgresql/IdentityServer4.Postgresql.csproj b/src/IdentityServer4.Postgresql/IdentityServer4.Postgresql.csproj
index 4fa9891..f21e0fd 100644
--- a/src/IdentityServer4.Postgresql/IdentityServer4.Postgresql.csproj
+++ b/src/IdentityServer4.Postgresql/IdentityServer4.Postgresql.csproj
@@ -16,7 +16,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="IdentityServer4" Version="2.5.4" />
-    <PackageReference Include="Marten" Version="3.11.0" />
+    <PackageReference Include="Marten" Version="3.12.3" />
     <PackageReference Include="AutoMapper" Version="9.0.0" />
   </ItemGroup>
   <!--<ItemGroup Condition=" '$(TargetFramework)' == 'net46' ">