diff --git a/src/libraries/NetCoreAppLibrary.props b/src/libraries/NetCoreAppLibrary.props
index a3f63978bf92d..a4c9e537977cd 100644
--- a/src/libraries/NetCoreAppLibrary.props
+++ b/src/libraries/NetCoreAppLibrary.props
@@ -233,6 +233,7 @@
       System.Diagnostics.PerformanceCounter;
       System.DirectoryServices;
       System.Formats.Nrbf;
+      System.IO.Hashing;
       System.IO.Packaging;
       System.Resources.Extensions;
       System.Security.Cryptography.Pkcs;