diff --git a/src/Kestrel.Core/Internal/Http/HttpUpgradeStream.cs b/src/Kestrel.Core/Internal/Http/HttpUpgradeStream.cs
index e7163b7ece..d6fedc0518 100644
--- a/src/Kestrel.Core/Internal/Http/HttpUpgradeStream.cs
+++ b/src/Kestrel.Core/Internal/Http/HttpUpgradeStream.cs
@@ -145,6 +145,13 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http
             return _requestStream.ReadAsync(buffer, offset, count, cancellationToken);
         }
 
+#if NETCOREAPP2_1
+        public override ValueTask<int> ReadAsync(Memory<byte> destination, CancellationToken cancellationToken = default)
+        {
+            return _requestStream.ReadAsync(destination, cancellationToken);
+        }
+#endif
+
         public override Task CopyToAsync(Stream destination, int bufferSize, CancellationToken cancellationToken)
         {
             return _requestStream.CopyToAsync(destination, bufferSize, cancellationToken);
@@ -155,6 +162,13 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http
             return _responseStream.WriteAsync(buffer, offset, count, cancellationToken);
         }
 
+#if NETCOREAPP2_1
+        public override ValueTask WriteAsync(ReadOnlyMemory<byte> source, CancellationToken cancellationToken = default)
+        {
+            return _responseStream.WriteAsync(source, cancellationToken);
+        }
+#endif
+
         public override long Seek(long offset, SeekOrigin origin)
         {
             return _requestStream.Seek(offset, origin);
diff --git a/src/Kestrel.Core/Internal/Infrastructure/WrappingStream.cs b/src/Kestrel.Core/Internal/Infrastructure/WrappingStream.cs
index a1c87ad8c8..9485392825 100644
--- a/src/Kestrel.Core/Internal/Infrastructure/WrappingStream.cs
+++ b/src/Kestrel.Core/Internal/Infrastructure/WrappingStream.cs
@@ -68,6 +68,11 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure
         public override Task<int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
             => _inner.ReadAsync(buffer, offset, count, cancellationToken);
 
+#if NETCOREAPP2_1
+        public override ValueTask<int> ReadAsync(Memory<byte> destination, CancellationToken cancellationToken = default)
+            => _inner.ReadAsync(destination, cancellationToken);
+#endif
+
         public override int ReadByte()
             => _inner.ReadByte();
 
@@ -83,6 +88,11 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure
         public override Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
             => _inner.WriteAsync(buffer, offset, count, cancellationToken);
 
+#if NETCOREAPP2_1
+        public override ValueTask WriteAsync(ReadOnlyMemory<byte> source, CancellationToken cancellationToken = default)
+            => _inner.WriteAsync(source, cancellationToken);
+#endif
+
         public override void WriteByte(byte value)
             => _inner.WriteByte(value);