Try this

Author: mattleibow

.config/dotnet-tools.json

@@ -7,21 +7,21 @@
       "commands": [
         "dotnet-cake"
       ],
-      "rollForward": false
+      "rollForward": true
     },
     "dotnet-test-slicer": {
       "version": "0.1.0-alpha7",
       "commands": [
         "dotnet-test-slicer"
       ],
-      "rollForward": false
+      "rollForward": true
     },
     "api-tools": {
       "version": "1.4.2-preview.2",
       "commands": [
         "api-tools"
       ],
-      "rollForward": false
+      "rollForward": true
     }
   }
 }

build.cake

@@ -2,7 +2,7 @@
 #tool nuget:?package=Microsoft.Android.Sdk.Windows&version=35.0.61
 
 // Cake Addins
-#addin nuget:?package=Cake.FileHelpers&version=7.0.0
+#addin nuget:?package=Cake.FileHelpers&version=4.0.1
 #addin nuget:?package=Newtonsoft.Json&version=13.0.3
 #addin nuget:?package=SharpZipLib&version=1.4.2
 

global.json

@@ -1,9 +1,4 @@
 {
-    "sdk": {
-        "version": "9.0.301",
-        "rollForward": "latestMajor",
-        "allowPrerelease": true
-    },
     "msbuild-sdks": {
         "Microsoft.Build.Traversal": "4.1.0",
         "Microsoft.Build.NoTargets": "3.7.56"