diff --git a/ILAsmVersion.txt b/ILAsmVersion.txt
index e4d15e7e9254..668a32504916 100644
--- a/ILAsmVersion.txt
+++ b/ILAsmVersion.txt
@@ -1 +1 @@
-2.1.0-preview2-26302-06
+2.1.0-preview2-26303-09
diff --git a/dependencies.props b/dependencies.props
index 8d2cda70c943..b7e3474b7a10 100644
--- a/dependencies.props
+++ b/dependencies.props
@@ -23,18 +23,18 @@
 
   <!-- Source of truth for dependency tooling: the commit hash of the dotnet/versions master branch as of the last auto-upgrade. -->
   <PropertyGroup>
-    <CoreFxCurrentRef>3b9b35efc78cbf6411be6b104deef9d4c7284803</CoreFxCurrentRef>
-    <CoreClrCurrentRef>1371244cd9447ddf26266c804130253db17ffc28</CoreClrCurrentRef>
+    <CoreFxCurrentRef>2a9a8dff1fa2734a631b21c1d3e5d00f3b071893</CoreFxCurrentRef>
+    <CoreClrCurrentRef>2a9a8dff1fa2734a631b21c1d3e5d00f3b071893</CoreClrCurrentRef>
     <BuildToolsCurrentRef>553f30357d08df4ed6d32f70f3478a76f5db79c2</BuildToolsCurrentRef>
     <PgoDataCurrentRef>553f30357d08df4ed6d32f70f3478a76f5db79c2</PgoDataCurrentRef>
   </PropertyGroup>
 
   <!-- Tests/infrastructure dependency versions. -->
   <PropertyGroup>
-    <MicrosoftPrivateCoreFxNETCoreAppPackageVersion>4.5.0-preview2-26228-08</MicrosoftPrivateCoreFxNETCoreAppPackageVersion>
-    <MicrosoftNETCorePlatformsPackageVersion>2.1.0-preview2-26228-08</MicrosoftNETCorePlatformsPackageVersion>
+    <MicrosoftPrivateCoreFxNETCoreAppPackageVersion>4.5.0-preview2-26303-04</MicrosoftPrivateCoreFxNETCoreAppPackageVersion>
+    <MicrosoftNETCorePlatformsPackageVersion>2.1.0-preview2-26303-04</MicrosoftNETCorePlatformsPackageVersion>
     <PgoDataPackageVersion>99.99.99-master-20180228-0037</PgoDataPackageVersion>
-    <MicrosoftNETCoreRuntimeCoreCLRPackageVersion>2.1.0-preview2-26302-06</MicrosoftNETCoreRuntimeCoreCLRPackageVersion>
+    <MicrosoftNETCoreRuntimeCoreCLRPackageVersion>2.1.0-preview2-26303-09</MicrosoftNETCoreRuntimeCoreCLRPackageVersion>
     <XunitPackageVersion>2.2.0-beta2-build3300</XunitPackageVersion>
     <XunitConsoleNetcorePackageVersion>1.0.2-prerelease-00177</XunitConsoleNetcorePackageVersion>
     <XunitPerformanceApiPackageVersion>1.0.0-beta-build0015</XunitPerformanceApiPackageVersion>
diff --git a/tests/src/Common/test_dependencies/test_dependencies.csproj b/tests/src/Common/test_dependencies/test_dependencies.csproj
index fd44e4aba9ae..8945355364e2 100644
--- a/tests/src/Common/test_dependencies/test_dependencies.csproj
+++ b/tests/src/Common/test_dependencies/test_dependencies.csproj
@@ -22,6 +22,9 @@
     <PackageReference Include="System.Security.Permissions">
       <Version>$(MicrosoftPrivateCoreFxNETCoreAppPackageVersion)</Version>
     </PackageReference>
+    <PackageReference Include="System.Runtime.Intrinsics.Experimental">
+      <Version>$(MicrosoftPrivateCoreFxNETCoreAppPackageVersion)</Version>
+    </PackageReference>
   </ItemGroup>
   <PropertyGroup>
     <TargetFramework>netcoreapp2.1</TargetFramework>