diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 3e3b60218..4b1cc1bfd 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -14,9 +14,9 @@
       <Uri>https://github.com/aspnet/AspNetCore</Uri>
       <Sha>d8381656429addead2e5eb22ba1356abfb419d86</Sha>
     </Dependency>
-    <Dependency Name="dotnet-ef" Version="3.0.0-preview.19065.7">
+    <Dependency Name="dotnet-ef" Version="3.0.0-preview.19066.4">
       <Uri>https://github.com/aspnet/EntityFrameworkCore</Uri>
-      <Sha>3263992ea0034de4cce1678961d0035e12bdfcde</Sha>
+      <Sha>cf0a6e19c93a9a7b92666b00408195418d8412a2</Sha>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.Common.ItemTemplates" Version="1.0.2-beta5.19057.4">
       <Uri>https://github.com/dotnet/templating</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 877984595..3300633e2 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -16,7 +16,7 @@
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependencies from https://github.com/aspnet/EntityFrameworkCore -->
-    <dotnetefPackageVersion>3.0.0-preview.19065.7</dotnetefPackageVersion>
+    <dotnetefPackageVersion>3.0.0-preview.19066.4</dotnetefPackageVersion>
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependencies from https://github.com/aspnet/AspNetCore -->