diff --git a/src/Microsoft.AspNetCore.Html.Abstractions/project.json b/src/Microsoft.AspNetCore.Html.Abstractions/project.json
index 7d42a7746d..da6f399828 100644
--- a/src/Microsoft.AspNetCore.Html.Abstractions/project.json
+++ b/src/Microsoft.AspNetCore.Html.Abstractions/project.json
@@ -19,14 +19,10 @@
     "xmlDoc": true
   },
   "dependencies": {
-    "System.Text.Encodings.Web": "4.0.0-*"
+    "NETStandard.Library": "1.6.1-*",
+    "System.Text.Encodings.Web": "4.3.0-*"
   },
   "frameworks": {
-    "netstandard1.0": {
-      "dependencies": {
-        "System.Collections": "4.0.11-*",
-        "System.Resources.ResourceManager": "4.0.1-*"
-      }
-    }
+    "netstandard1.0": {}
   }
 }
\ No newline at end of file
diff --git a/src/Microsoft.Extensions.WebEncoders/project.json b/src/Microsoft.Extensions.WebEncoders/project.json
index 1e765f8b80..852787db64 100644
--- a/src/Microsoft.Extensions.WebEncoders/project.json
+++ b/src/Microsoft.Extensions.WebEncoders/project.json
@@ -22,7 +22,8 @@
   "dependencies": {
     "Microsoft.Extensions.DependencyInjection.Abstractions": "1.1.0-*",
     "Microsoft.Extensions.Options": "1.1.0-*",
-    "System.Text.Encodings.Web": "4.0.0-*"
+    "NETStandard.Library": "1.6.1-*",
+    "System.Text.Encodings.Web": "4.3.0-*"
   },
   "frameworks": {
     "netstandard1.0": {}
diff --git a/test/Microsoft.AspNetCore.Html.Abstractions.Test/project.json b/test/Microsoft.AspNetCore.Html.Abstractions.Test/project.json
index 8c2d135d8a..8e5e79eeb2 100644
--- a/test/Microsoft.AspNetCore.Html.Abstractions.Test/project.json
+++ b/test/Microsoft.AspNetCore.Html.Abstractions.Test/project.json
@@ -15,7 +15,7 @@
     "netcoreapp1.0": {
       "dependencies": {
         "Microsoft.NETCore.App": {
-          "version": "1.0.0-*",
+          "version": "1.1.0-*",
           "type": "platform"
         }
       }
diff --git a/test/Microsoft.Extensions.WebEncoders.Tests/project.json b/test/Microsoft.Extensions.WebEncoders.Tests/project.json
index 6ed331d6ec..4c9ee42471 100644
--- a/test/Microsoft.Extensions.WebEncoders.Tests/project.json
+++ b/test/Microsoft.Extensions.WebEncoders.Tests/project.json
@@ -14,7 +14,7 @@
     "netcoreapp1.0": {
       "dependencies": {
         "Microsoft.NETCore.App": {
-          "version": "1.0.0-*",
+          "version": "1.1.0-*",
           "type": "platform"
         }
       },