diff --git a/EZms.Core.csproj b/EZms.Core.csproj
index cad0050..9ab45d5 100644
--- a/EZms.Core.csproj
+++ b/EZms.Core.csproj
@@ -45,7 +45,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="2.2.0" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Core" Version="2.2.5" />
     <PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="2.2.0" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="2.2.6" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="3.1.5" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="2.2.6" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="2.2.6" />
     <PackageReference Include="Microsoft.Extensions.FileProviders.Embedded" Version="2.2.0" />