diff --git a/build.ps1 b/build.ps1
index 8f2f996..6d49c4d 100644
--- a/build.ps1
+++ b/build.ps1
@@ -33,7 +33,7 @@ cd $PSScriptRoot
 $repoFolder = $PSScriptRoot
 $env:REPO_FOLDER = $repoFolder
 
-$koreBuildZip="https://github.com/aspnet/KoreBuild/archive/dev.zip"
+$koreBuildZip="https://github.com/aspnet/KoreBuild/archive/1.0.0.zip"
 if ($env:KOREBUILD_ZIP)
 {
     $koreBuildZip=$env:KOREBUILD_ZIP
diff --git a/src/JsonWebTokens/project.json b/src/JsonWebTokens/project.json
index 04472b5..6298793 100644
--- a/src/JsonWebTokens/project.json
+++ b/src/JsonWebTokens/project.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.1.0",
+  "version": "1.2.0",
   "title": "Jwt.NET",
   "authors": [ "Henk Mollema" ],
   "copyright": "Copyright 2016 Henk Mollema",
@@ -20,22 +20,16 @@
   },
 
   "dependencies": {
-    "Newtonsoft.Json": "8.0.4-beta1"
+    "Newtonsoft.Json": "9.0.1"
   },
 
   "frameworks": {
-    "net40": { },
-    "net45": { },
     "net451": { },
     "netstandard1.3": {
       "dependencies": {
-        "Microsoft.CSharp": "4.0.1-*",
-        "System.Security.Cryptography.Algorithms": "4.1.0-*"
-      },
-      "imports": [
-        "dotnet5.4",
-        "portable-net451+win8"
-      ]
+        "Microsoft.CSharp": "4.0.1",
+        "System.Security.Cryptography.Algorithms": "4.2.0"
+      }
     }
   }
 }