diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 10374b8d8a..9e5e676c8f 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -29,33 +29,33 @@
       <Uri>https://github.com/aspnet/AspNetCore-Tooling</Uri>
       <Sha>0cb76cc375280a53505c85c265a547d236319227</Sha>
     </Dependency>
-    <Dependency Name="dotnet-ef" Version="3.1.0-preview3.19551.10">
+    <Dependency Name="dotnet-ef" Version="3.1.0-preview3.19551.12">
       <Uri>https://github.com/aspnet/EntityFrameworkCore</Uri>
-      <Sha>68f725c06a3af35a670afe4c84d66656511c2174</Sha>
+      <Sha>70c898882c9add74f0c0b6a928772a7a26396189</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.EntityFrameworkCore.InMemory" Version="3.1.0-preview3.19551.10">
+    <Dependency Name="Microsoft.EntityFrameworkCore.InMemory" Version="3.1.0-preview3.19551.12">
       <Uri>https://github.com/aspnet/EntityFrameworkCore</Uri>
-      <Sha>68f725c06a3af35a670afe4c84d66656511c2174</Sha>
+      <Sha>70c898882c9add74f0c0b6a928772a7a26396189</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.EntityFrameworkCore.Relational" Version="3.1.0-preview3.19551.10">
+    <Dependency Name="Microsoft.EntityFrameworkCore.Relational" Version="3.1.0-preview3.19551.12">
       <Uri>https://github.com/aspnet/EntityFrameworkCore</Uri>
-      <Sha>68f725c06a3af35a670afe4c84d66656511c2174</Sha>
+      <Sha>70c898882c9add74f0c0b6a928772a7a26396189</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.EntityFrameworkCore.Sqlite" Version="3.1.0-preview3.19551.10">
+    <Dependency Name="Microsoft.EntityFrameworkCore.Sqlite" Version="3.1.0-preview3.19551.12">
       <Uri>https://github.com/aspnet/EntityFrameworkCore</Uri>
-      <Sha>68f725c06a3af35a670afe4c84d66656511c2174</Sha>
+      <Sha>70c898882c9add74f0c0b6a928772a7a26396189</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.EntityFrameworkCore.SqlServer" Version="3.1.0-preview3.19551.10">
+    <Dependency Name="Microsoft.EntityFrameworkCore.SqlServer" Version="3.1.0-preview3.19551.12">
       <Uri>https://github.com/aspnet/EntityFrameworkCore</Uri>
-      <Sha>68f725c06a3af35a670afe4c84d66656511c2174</Sha>
+      <Sha>70c898882c9add74f0c0b6a928772a7a26396189</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.EntityFrameworkCore.Tools" Version="3.1.0-preview3.19551.10">
+    <Dependency Name="Microsoft.EntityFrameworkCore.Tools" Version="3.1.0-preview3.19551.12">
       <Uri>https://github.com/aspnet/EntityFrameworkCore</Uri>
-      <Sha>68f725c06a3af35a670afe4c84d66656511c2174</Sha>
+      <Sha>70c898882c9add74f0c0b6a928772a7a26396189</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.EntityFrameworkCore" Version="3.1.0-preview3.19551.10">
+    <Dependency Name="Microsoft.EntityFrameworkCore" Version="3.1.0-preview3.19551.12">
       <Uri>https://github.com/aspnet/EntityFrameworkCore</Uri>
-      <Sha>68f725c06a3af35a670afe4c84d66656511c2174</Sha>
+      <Sha>70c898882c9add74f0c0b6a928772a7a26396189</Sha>
     </Dependency>
     <Dependency Name="Microsoft.AspNetCore.Analyzer.Testing" Version="3.1.0-preview3.19551.1" CoherentParentDependency="Microsoft.EntityFrameworkCore">
       <Uri>https://github.com/aspnet/Extensions</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 2418f815b2..e769adb177 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -160,13 +160,13 @@
     <MicrosoftJSInteropPackageVersion>3.1.0-preview3.19551.1</MicrosoftJSInteropPackageVersion>
     <MonoWebAssemblyInteropPackageVersion>3.1.0-preview3.19551.1</MonoWebAssemblyInteropPackageVersion>
     <!-- Packages from aspnet/EntityFrameworkCore -->
-    <dotnetefPackageVersion>3.1.0-preview3.19551.10</dotnetefPackageVersion>
-    <MicrosoftEntityFrameworkCoreInMemoryPackageVersion>3.1.0-preview3.19551.10</MicrosoftEntityFrameworkCoreInMemoryPackageVersion>
-    <MicrosoftEntityFrameworkCoreRelationalPackageVersion>3.1.0-preview3.19551.10</MicrosoftEntityFrameworkCoreRelationalPackageVersion>
-    <MicrosoftEntityFrameworkCoreSqlitePackageVersion>3.1.0-preview3.19551.10</MicrosoftEntityFrameworkCoreSqlitePackageVersion>
-    <MicrosoftEntityFrameworkCoreSqlServerPackageVersion>3.1.0-preview3.19551.10</MicrosoftEntityFrameworkCoreSqlServerPackageVersion>
-    <MicrosoftEntityFrameworkCoreToolsPackageVersion>3.1.0-preview3.19551.10</MicrosoftEntityFrameworkCoreToolsPackageVersion>
-    <MicrosoftEntityFrameworkCorePackageVersion>3.1.0-preview3.19551.10</MicrosoftEntityFrameworkCorePackageVersion>
+    <dotnetefPackageVersion>3.1.0-preview3.19551.12</dotnetefPackageVersion>
+    <MicrosoftEntityFrameworkCoreInMemoryPackageVersion>3.1.0-preview3.19551.12</MicrosoftEntityFrameworkCoreInMemoryPackageVersion>
+    <MicrosoftEntityFrameworkCoreRelationalPackageVersion>3.1.0-preview3.19551.12</MicrosoftEntityFrameworkCoreRelationalPackageVersion>
+    <MicrosoftEntityFrameworkCoreSqlitePackageVersion>3.1.0-preview3.19551.12</MicrosoftEntityFrameworkCoreSqlitePackageVersion>
+    <MicrosoftEntityFrameworkCoreSqlServerPackageVersion>3.1.0-preview3.19551.12</MicrosoftEntityFrameworkCoreSqlServerPackageVersion>
+    <MicrosoftEntityFrameworkCoreToolsPackageVersion>3.1.0-preview3.19551.12</MicrosoftEntityFrameworkCoreToolsPackageVersion>
+    <MicrosoftEntityFrameworkCorePackageVersion>3.1.0-preview3.19551.12</MicrosoftEntityFrameworkCorePackageVersion>
     <!-- Packages from aspnet/AspNetCore-Tooling -->
     <MicrosoftAspNetCoreMvcRazorExtensionsPackageVersion>3.1.0-preview3.19551.3</MicrosoftAspNetCoreMvcRazorExtensionsPackageVersion>
     <MicrosoftAspNetCoreRazorLanguagePackageVersion>3.1.0-preview3.19551.3</MicrosoftAspNetCoreRazorLanguagePackageVersion>