diff --git a/BuildToolsVersion.txt b/BuildToolsVersion.txt
index c59231de55..c52d67a531 100644
--- a/BuildToolsVersion.txt
+++ b/BuildToolsVersion.txt
@@ -1 +1 @@
-2.1.0-preview2-02431-05
+2.1.0-preview2-02502-01
diff --git a/dependencies.props b/dependencies.props
index 655ca22c8a..1fc919256b 100644
--- a/dependencies.props
+++ b/dependencies.props
@@ -9,23 +9,23 @@
        These ref versions are pulled from https://github.com/dotnet/versions.
   -->
   <PropertyGroup>
-    <CoreFxCurrentRef>0b436a193b9cfc715f910f99fdfe88e171ef9e42</CoreFxCurrentRef>
-    <CoreClrCurrentRef>0b436a193b9cfc715f910f99fdfe88e171ef9e42</CoreClrCurrentRef>
+    <CoreFxCurrentRef>fded6196b42fb66aa3ee8ffd800c1b1b5d240f8c</CoreFxCurrentRef>
+    <CoreClrCurrentRef>fded6196b42fb66aa3ee8ffd800c1b1b5d240f8c</CoreClrCurrentRef>
     <StandardCurrentRef>6298244e25cf84d91e3cda9627315f2425274624</StandardCurrentRef>
-    <WCFCurrentRef>86fae27c39f57bdb23dd4ba0378984d1f6b08854</WCFCurrentRef>
-    <BuildToolsCurrentRef>fb8aaa87581eafdad52a1997540471169cf1b6bb</BuildToolsCurrentRef>
+    <WCFCurrentRef>fded6196b42fb66aa3ee8ffd800c1b1b5d240f8c</WCFCurrentRef>
+    <BuildToolsCurrentRef>fded6196b42fb66aa3ee8ffd800c1b1b5d240f8c</BuildToolsCurrentRef>
   </PropertyGroup>
 
   <PropertyGroup>
-    <MicrosoftNETCorePlatformsPackageVersion>2.1.0-preview2-26131-01</MicrosoftNETCorePlatformsPackageVersion>
+    <MicrosoftNETCorePlatformsPackageVersion>2.1.0-preview2-26202-05</MicrosoftNETCorePlatformsPackageVersion>
     <MicrosoftNETCoreTargetsPackageVersion>2.0.0</MicrosoftNETCoreTargetsPackageVersion>
-    <MicrosoftPrivateCoreFxNETCoreAppPackageVersion>4.5.0-preview2-26131-01</MicrosoftPrivateCoreFxNETCoreAppPackageVersion>
-    <MicrosoftPrivateCoreFxUAPPackageVersion>4.6.0-preview2-26131-01</MicrosoftPrivateCoreFxUAPPackageVersion>
-    <MicrosoftNETCoreRuntimeCoreCLRPackageVersion>2.1.0-preview2-26131-05</MicrosoftNETCoreRuntimeCoreCLRPackageVersion>
+    <MicrosoftPrivateCoreFxNETCoreAppPackageVersion>4.5.0-preview2-26202-05</MicrosoftPrivateCoreFxNETCoreAppPackageVersion>
+    <MicrosoftPrivateCoreFxUAPPackageVersion>4.6.0-preview2-26202-05</MicrosoftPrivateCoreFxUAPPackageVersion>
+    <MicrosoftNETCoreRuntimeCoreCLRPackageVersion>2.1.0-preview2-26205-05</MicrosoftNETCoreRuntimeCoreCLRPackageVersion>
     <NETStandardLibraryPackageVersion>2.0.1</NETStandardLibraryPackageVersion>
     <MicrosoftNetNativeCompilerPackageVersion>2.0.0-preview-25429-00</MicrosoftNetNativeCompilerPackageVersion>
     <MicrosoftDiaSymReaderNativePackageVersion>1.4.1</MicrosoftDiaSymReaderNativePackageVersion>
-    <SystemServiceModelDuplexPackageVersion>4.5.0-preview2-26125-02</SystemServiceModelDuplexPackageVersion>
+    <SystemServiceModelDuplexPackageVersion>4.5.0-preview2-26205-01</SystemServiceModelDuplexPackageVersion>
     <SystemServiceModelHttpPackageVersion>$(SystemServiceModelDuplexPackageVersion)</SystemServiceModelHttpPackageVersion>
     <SystemServiceModelNetTcpPackageVersion>$(SystemServiceModelDuplexPackageVersion)</SystemServiceModelNetTcpPackageVersion>
     <SystemServiceModelPrimitivesPackageVersion>$(SystemServiceModelDuplexPackageVersion)</SystemServiceModelPrimitivesPackageVersion>
@@ -51,7 +51,7 @@
   <!-- Package versions used as toolsets -->
   <PropertyGroup>
     <FeedTasksPackage>Microsoft.DotNet.Build.Tasks.Feed</FeedTasksPackage>
-    <FeedTasksPackageVersion>2.1.0-preview2-02431-05</FeedTasksPackageVersion>
+    <FeedTasksPackageVersion>2.1.0-preview2-02502-01</FeedTasksPackageVersion>
   </PropertyGroup>
 
   <!-- Publish symbol build task package -->