diff --git a/src/Steeltoe.Discovery.Client/project.json b/src/Steeltoe.Discovery.Client/project.json
index fe220ff..0734d0e 100644
--- a/src/Steeltoe.Discovery.Client/project.json
+++ b/src/Steeltoe.Discovery.Client/project.json
@@ -24,8 +24,8 @@
       },
       "netstandard1.3": {
         "dependencies": {
-          "System.Collections": "4.3.0",
-          "System.Net.NameResolution": "4.3.0"
+          "System.Collections": "4.0.11",
+          "System.Net.NameResolution": "4.0.0"
         },
         "imports": [
           "portable-net451+win8"
@@ -34,12 +34,12 @@
     },
   "dependencies": {
     "Steeltoe.Discovery.Eureka.Client": "1.0.0-*",
-    "Microsoft.Extensions.Logging.Abstractions": "1.1.0",
-    "Microsoft.Extensions.Configuration.Abstractions": "1.1.0",
-    "Microsoft.Extensions.DependencyInjection.Abstractions": "1.1.0",
-    "Microsoft.Extensions.Options": "1.1.0",
-    "Microsoft.AspNetCore.Hosting.Abstractions": "1.1.0",
-    "Microsoft.Extensions.Options.ConfigurationExtensions": "1.1.0",
-    "Microsoft.Extensions.Configuration.Binder": "1.1.0"
+    "Microsoft.Extensions.Logging.Abstractions": "1.0.0",
+    "Microsoft.Extensions.Configuration.Abstractions": "1.0.0",
+    "Microsoft.Extensions.DependencyInjection.Abstractions": "1.0.0",
+    "Microsoft.Extensions.Options": "1.0.0",
+    "Microsoft.AspNetCore.Hosting.Abstractions": "1.0.0",
+    "Microsoft.Extensions.Options.ConfigurationExtensions": "1.0.0",
+    "Microsoft.Extensions.Configuration.Binder": "1.0.0"
   }
   }
diff --git a/src/Steeltoe.Discovery.Eureka.Client/project.json b/src/Steeltoe.Discovery.Eureka.Client/project.json
index dc4c059..9b5162b 100644
--- a/src/Steeltoe.Discovery.Eureka.Client/project.json
+++ b/src/Steeltoe.Discovery.Eureka.Client/project.json
@@ -23,17 +23,21 @@
           "System.Runtime": {
             "type": "build"
           }
+        },
+        "dependencies": {
+            "System.Net.Http": "4.0.0"
         }
         },
         "netstandard1.3": {
           "dependencies": {
-            "System.Collections": "4.3.0",
-            "System.Linq": "4.3.0",
-            "System.Threading": "4.3.0",
-            "System.Net.NameResolution": "4.3.0",
-            "System.Threading.Timer": "4.3.0",
-            "System.Net.Http.WinHttpHandler": "4.3.0",
-            "System.Runtime": "4.3.0"
+            "System.Collections": "4.0.11",
+            "System.Linq": "4.1.0",
+            "System.Threading": "4.0.11",
+            "System.Net.NameResolution": "4.0.0",
+            "System.Threading.Timer": "4.0.1",
+            "System.Net.Http.WinHttpHandler": "4.0.0",
+            "System.Runtime": "4.1.0",
+            "System.Net.Http": "4.1.0"
           },
           "imports": [
             "portable-net451+win8"
@@ -41,9 +45,8 @@
         }
       },
   "dependencies": {
-    "System.Runtime.InteropServices.RuntimeInformation": "4.3.0",
-    "System.Net.Http": "4.3.0",
+    "System.Runtime.InteropServices.RuntimeInformation": "4.0.0",
     "Newtonsoft.Json": "9.0.1",
-    "Microsoft.Extensions.Logging.Abstractions": "1.1.0"
+    "Microsoft.Extensions.Logging.Abstractions": "1.0.0"
   }
   }