diff --git a/lib/authutil.js b/lib/authutil.js
index 162872eb..7feec084 100644
--- a/lib/authutil.js
+++ b/lib/authutil.js
@@ -41,7 +41,7 @@ function writeRegistryToFile(registryUrl, fileLocation) {
     const registryString = scope
         ? `${scope}:registry=${registryUrl}`
         : `registry=${registryUrl}`;
-    newContents += `${registryString}${os.EOL}always-auth=true${os.EOL}${authString}`;
+    newContents += `${registryString}${os.EOL}${authString}`;
     fs.writeFileSync(fileLocation, newContents);
     core.exportVariable('NPM_CONFIG_USERCONFIG', fileLocation);
 }
diff --git a/src/authutil.ts b/src/authutil.ts
index 8c401498..5afa9915 100644
--- a/src/authutil.ts
+++ b/src/authutil.ts
@@ -39,7 +39,7 @@ function writeRegistryToFile(registryUrl: string, fileLocation: string) {
   const registryString = scope
     ? `${scope}:registry=${registryUrl}`
     : `registry=${registryUrl}`;
-  newContents += `${registryString}${os.EOL}always-auth=true${os.EOL}${authString}`;
+  newContents += `${registryString}${os.EOL}${authString}`;
   fs.writeFileSync(fileLocation, newContents);
   core.exportVariable('NPM_CONFIG_USERCONFIG', fileLocation);
 }