diff --git a/index.js b/index.js
index 892e02d..2d4c46a 100644
--- a/index.js
+++ b/index.js
@@ -43,7 +43,8 @@ class Action {
         this._executeInProcess(`git tag ${TAG}`)
         this._executeInProcess(`git push origin ${TAG}`)
 
-        process.stdout.write(`::set-output name=VERSION::${TAG}` + os.EOL)
+        process.stdout.write(`VERSION=${TAG}` + os.EOL)
+
     }
 
     _pushPackage(version, name) {
@@ -78,12 +79,12 @@ class Action {
         const packageFilename = packages.filter(p => p.endsWith(".nupkg"))[0],
             symbolsFilename = packages.filter(p => p.endsWith(".snupkg"))[0]
 
-        process.stdout.write(`::set-output name=PACKAGE_NAME::${packageFilename}` + os.EOL)
-        process.stdout.write(`::set-output name=PACKAGE_PATH::${path.resolve(packageFilename)}` + os.EOL)
+        process.stdout.write(`PACKAGE_NAME=${packageFilename}` + os.EOL)
+        process.stdout.write(`PACKAGE_PATH=${path.resolve(packageFilename)}` + os.EOL)
 
         if (symbolsFilename) {
-            process.stdout.write(`::set-output name=SYMBOLS_PACKAGE_NAME::${symbolsFilename}` + os.EOL)
-            process.stdout.write(`::set-output name=SYMBOLS_PACKAGE_PATH::${path.resolve(symbolsFilename)}` + os.EOL)
+            process.stdout.write(`SYMBOLS_PACKAGE_NAME=${symbolsFilename}` + os.EOL)
+            process.stdout.write(`SYMBOLS_PACKAGE_PATH=${path.resolve(symbolsFilename)}` + os.EOL)
         }
 
         if (this.tagCommit)
@@ -106,7 +107,7 @@ class Action {
                 console.log('404 response, assuming new package')
                 this._pushPackage(this.version, this.packageName)
             }
-                
+
 
             if (res.statusCode == 200) {
                 res.setEncoding("utf8")