diff --git a/.config/dotnet-tools.json b/.config/dotnet-tools.json
new file mode 100644
index 0000000..7bd5f9f
--- /dev/null
+++ b/.config/dotnet-tools.json
@@ -0,0 +1,12 @@
+{
+  "version": 1,
+  "isRoot": true,
+  "tools": {
+    "cake.tool": {
+      "version": "2.2.0",
+      "commands": [
+        "dotnet-cake"
+      ]
+    }
+  }
+}
\ No newline at end of file
diff --git a/appveyor.yml b/appveyor.yml
index 37ba008..4582600 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,6 +1,6 @@
 os: Visual Studio 2017
 build_script:
-    - ps: .\build.ps1 -target "AppVeyor"
+    - ps: .\build.ps1 --target=AppVeyor
 test: off
 artifacts:
     - path: artifacts\Stranne.VasttrafikNET_coverage.xml
diff --git a/src/Stranne.VasttrafikNET/Stranne.VasttrafikNET.csproj b/src/Stranne.VasttrafikNET/Stranne.VasttrafikNET.csproj
index eadedf3..8ca55e3 100644
--- a/src/Stranne.VasttrafikNET/Stranne.VasttrafikNET.csproj
+++ b/src/Stranne.VasttrafikNET/Stranne.VasttrafikNET.csproj
@@ -25,7 +25,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">