diff --git a/src/Microsoft.Net.Http.Server/project.json b/src/Microsoft.Net.Http.Server/project.json
index c63d55703f..66c1776780 100644
--- a/src/Microsoft.Net.Http.Server/project.json
+++ b/src/Microsoft.Net.Http.Server/project.json
@@ -21,7 +21,7 @@
         "System.IO": "4.1.0-*",
         "System.IO.FileSystem": "4.0.1-*",
         "System.Net.Primitives": "4.0.11-*",
-        "System.Runtime.InteropServices": "4.0.21-*",
+        "System.Runtime.InteropServices": "4.1.0-*",
         "System.Security.Claims": "4.0.1-*",
         "System.Security.Cryptography.X509Certificates": "4.0.0-*",
         "System.Security.Principal.Windows": "4.0.0-*",
diff --git a/src/Microsoft.Net.WebSockets.Server/project.json b/src/Microsoft.Net.WebSockets.Server/project.json
index cc2fce2d21..175eaaa822 100644
--- a/src/Microsoft.Net.WebSockets.Server/project.json
+++ b/src/Microsoft.Net.WebSockets.Server/project.json
@@ -14,7 +14,7 @@
     "dotnet5.4": {
       "dependencies": {
         "System.Collections": "4.0.11-*",
-        "System.Linq": "4.0.1-*",
+        "System.Linq": "4.0.2-*",
         "System.Net.WebSockets": "4.0.0-*",
         "System.Resources.ResourceManager": "4.0.1-*",
         "System.Runtime.Extensions": "4.1.0-*",