diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 77396661dc26..c2d8cb102b42 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -19,9 +19,9 @@
       <Uri>https://github.com/dotnet/core-setup</Uri>
       <Sha>916b5cba268e1e1e803243004f4276cf40b2dda8</Sha>
     </Dependency>
-    <Dependency Name="NuGet.Build.Tasks" Version="5.7.0-preview.1.6609">
+    <Dependency Name="NuGet.Build.Tasks" Version="5.7.0-preview.2.6618">
       <Uri>https://github.com/NuGet/NuGet.Client</Uri>
-      <Sha>12a375a8a02764b772a20371abaf797639a7f961</Sha>
+      <Sha>721908c643a7806b630774e76b53e37507fec062</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/Versions.props b/eng/Versions.props
index e8a0e151efe7..c6dcfbdc6299 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -18,7 +18,7 @@
     <MicrosoftNETHostModelVersion>3.1.2</MicrosoftNETHostModelVersion>
     <NETStandardLibraryNETFrameworkVersion>2.0.1-servicing-26011-01</NETStandardLibraryNETFrameworkVersion>
     <NewtonsoftJsonVersion>9.0.1</NewtonsoftJsonVersion>
-    <NuGetBuildTasksPackageVersion>5.7.0-preview.1.6609</NuGetBuildTasksPackageVersion>
+    <NuGetBuildTasksPackageVersion>5.7.0-preview.2.6618</NuGetBuildTasksPackageVersion>
     <NuGetPackagingVersion>$(NuGetBuildTasksPackageVersion)</NuGetPackagingVersion>
     <NuGetProjectModelVersion>$(NuGetBuildTasksPackageVersion)</NuGetProjectModelVersion>
     <PlatformAbstractionsVersion>2.0.0</PlatformAbstractionsVersion>
diff --git a/global.json b/global.json
index 03378219f891..32da92c266e2 100644
--- a/global.json
+++ b/global.json
@@ -1,6 +1,6 @@
 {
   "tools": {
-    "dotnet": "3.1.400-preview-015135",
+    "dotnet": "3.1.400-preview-015147",
     "vs-opt": {
       "version": "15.9"
     }