diff --git a/Directory.Packages.props b/Directory.Packages.props
index 06f1efc..5088694 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -44,22 +44,22 @@
        preview version is pinned to match global.json's SDK pin
        (11.0.100-preview.6.26359.118) - bump both together. -->
   <ItemGroup Condition="'$(TargetFramework)' == 'net10.0'">
-    <PackageVersion Include="Microsoft.EntityFrameworkCore.Relational" Version="10.0.10" />
-    <PackageVersion Include="Microsoft.EntityFrameworkCore.Sqlite" Version="10.0.10" />
-    <PackageVersion Include="Microsoft.Extensions.Identity.Core" Version="10.0.10" />
-    <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="10.0.10" />
+    <PackageVersion Include="Microsoft.EntityFrameworkCore.Relational" Version="[10.0.10, 11.0.0-0)" />
+    <PackageVersion Include="Microsoft.EntityFrameworkCore.Sqlite" Version="[10.0.10, 11.0.0-0)" />
+    <PackageVersion Include="Microsoft.Extensions.Identity.Core" Version="[10.0.10, 11.0.0-0)" />
+    <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="[10.0.10, 11.0.0-0)" />
     <!-- SharpMud.Hosting's composition-root builder wraps this directly -
          see docs/adr/0006-nuget-package-distribution.md. -->
-    <PackageVersion Include="Microsoft.Extensions.Hosting" Version="10.0.10" />
-    <PackageVersion Include="Microsoft.Extensions.Configuration" Version="10.0.9" />
+    <PackageVersion Include="Microsoft.Extensions.Hosting" Version="[10.0.10, 11.0.0-0)" />
+    <PackageVersion Include="Microsoft.Extensions.Configuration" Version="[10.0.9, 11.0.0-0)" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'net11.0'">
-    <PackageVersion Include="Microsoft.EntityFrameworkCore.Relational" Version="11.0.0-preview.6.26359.118" />
-    <PackageVersion Include="Microsoft.EntityFrameworkCore.Sqlite" Version="11.0.0-preview.6.26359.118" />
-    <PackageVersion Include="Microsoft.Extensions.Identity.Core" Version="11.0.0-preview.6.26359.118" />
-    <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="11.0.0-preview.6.26359.118" />
-    <PackageVersion Include="Microsoft.Extensions.Hosting" Version="11.0.0-preview.6.26359.118" />
-    <PackageVersion Include="Microsoft.Extensions.Configuration" Version="11.0.0-preview.6.26359.118" />
+    <PackageVersion Include="Microsoft.EntityFrameworkCore.Relational" Version="[11.0.0-preview.6.26359.118, 12.0.0-0)" />
+    <PackageVersion Include="Microsoft.EntityFrameworkCore.Sqlite" Version="[11.0.0-preview.6.26359.118, 12.0.0-0)" />
+    <PackageVersion Include="Microsoft.Extensions.Identity.Core" Version="[11.0.0-preview.6.26359.118, 12.0.0-0)" />
+    <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="[11.0.0-preview.6.26359.118, 12.0.0-0)" />
+    <PackageVersion Include="Microsoft.Extensions.Hosting" Version="[11.0.0-preview.6.26359.118, 12.0.0-0)" />
+    <PackageVersion Include="Microsoft.Extensions.Configuration" Version="[11.0.0-preview.6.26359.118, 12.0.0-0)" />
   </ItemGroup>
   <ItemGroup>
     <!-- Test Framework: xUnit v3 on Microsoft.Testing.Platform v2 (MTP v2), per docs/architecture.md.