diff --git a/lib/installer.js b/lib/installer.js
index 527eafd..bef24da 100644
--- a/lib/installer.js
+++ b/lib/installer.js
@@ -1,9 +1,10 @@
 "use strict";
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
     return new (P || (P = Promise))(function (resolve, reject) {
         function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
         function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
-        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
+        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
         step((generator = generator.apply(thisArg, _arguments || [])).next());
     });
 };
diff --git a/lib/setup-dotnet.js b/lib/setup-dotnet.js
index 17d922c..1c4cdae 100644
--- a/lib/setup-dotnet.js
+++ b/lib/setup-dotnet.js
@@ -1,9 +1,10 @@
 "use strict";
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
     return new (P || (P = Promise))(function (resolve, reject) {
         function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
         function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
-        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
+        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
         step((generator = generator.apply(thisArg, _arguments || [])).next());
     });
 };
@@ -25,6 +26,7 @@ function run() {
             // Version is optional.  If supplied, install / use from the tool cache
             // If not supplied then task is still used to setup proxy, auth, etc...
             //
+            console.log(`::warning::Use the v1 tag to get the last version, master may contain breaking changes and will not contain any required packages in the future. i.e. actions/setup-dotnet@v1`);
             let version = core.getInput('version');
             if (!version) {
                 version = core.getInput('dotnet-version');
diff --git a/src/setup-dotnet.ts b/src/setup-dotnet.ts
index 8e491e9..eee984d 100644
--- a/src/setup-dotnet.ts
+++ b/src/setup-dotnet.ts
@@ -8,6 +8,10 @@ async function run() {
     // Version is optional.  If supplied, install / use from the tool cache
     // If not supplied then task is still used to setup proxy, auth, etc...
     //
+    console.log(
+      `::warning::Use the v1 tag to get the last version, master may contain breaking changes and will not contain any required packages in the future. i.e. actions/setup-dotnet@v1`
+    );
+
     let version = core.getInput('version');
     if (!version) {
       version = core.getInput('dotnet-version');