diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 03a62b2a10d4..ad4df5d6825d 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -26,6 +26,10 @@
       <Uri>https://github.com/dotnet/corefx</Uri>
       <Sha>046765913dff824f9ed0f2d2fe0fb9b111906cf5</Sha>
     </Dependency>
+    <Dependency Name="System.IO.FileSystem.AccessControl" Version="4.7.0-preview3.19551.4">
+      <Uri>https://github.com/dotnet/corefx</Uri>
+      <Sha>046765913dff824f9ed0f2d2fe0fb9b111906cf5</Sha>
+    </Dependency>
     <Dependency Name="Microsoft.NETCore.App" Version="3.1.0-preview3.19553.2">
       <Uri>https://github.com/dotnet/core-setup</Uri>
       <Sha>13f35c3d86a40ff811bfde0b64cfb86431c19d15</Sha>
diff --git a/eng/Versions.props b/eng/Versions.props
index a20e6cc9702a..d6bda0dbdc98 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -24,6 +24,7 @@
     <MicrosoftPrivateCoreFxNETCoreAppVersion>4.7.0-preview3.19551.4</MicrosoftPrivateCoreFxNETCoreAppVersion>
     <MicrosoftNETCorePlatformsVersion>3.1.0-preview3.19551.4</MicrosoftNETCorePlatformsVersion>
     <MicrosoftBclAsyncInterfacesVersion>1.0.0-preview7.19326.2</MicrosoftBclAsyncInterfacesVersion>
+    <SystemIOFileSystemAccessControlVersion>4.7.0-preview3.19551.4</SystemIOFileSystemAccessControlVersion>
     <!-- core-setup -->
     <MicrosoftNETCoreAppVersion>3.1.0-preview3.19553.2</MicrosoftNETCoreAppVersion>
     <!-- dotnet-core-internal-tooling -->
diff --git a/tests/src/Common/CoreFX/CoreFX.depproj b/tests/src/Common/CoreFX/CoreFX.depproj
index 9c9417faf626..205a85ab9fc2 100644
--- a/tests/src/Common/CoreFX/CoreFX.depproj
+++ b/tests/src/Common/CoreFX/CoreFX.depproj
@@ -32,6 +32,9 @@
 
   <ItemGroup>
 
+    <!-- Workaround to exclude runtime assets from this package while we fix a bug in CoreFx -->
+    <PackageReference Include="System.IO.FileSystem.AccessControl" Version="$(SystemIOFileSystemAccessControlVersion)" PrivateAssets="Runtime" />
+
     <!-- Microsoft.Private.CoreFx.OOB is a meta-package that contains references to most of what we need -->
     <PackageReference Include="Microsoft.Private.CoreFx.OOB" Version="$(MicrosoftPrivateCoreFxNETCoreAppVersion)" />