diff --git a/README.md b/README.md
index 97678958..50d6d1b0 100644
--- a/README.md
+++ b/README.md
@@ -106,8 +106,9 @@ steps:
 step:
 - uses: s4u/maven-settings-action@v3.0.0
   with:
-    proxies: '[{"id": "proxyId", "active": "isActive", "protocol": "proxyProtocol", "host": "proxyHost", "port": "proxyPort", "nonProxyHosts": "nonProxyHost"}]'
+    proxies: '[{"id": "proxyId", "active": "isActive", "protocol": "proxyProtocol", "host": "proxyHost", "port": "proxyPort", "nonProxyHosts": "nonProxyHost", "user": "proxUser", "password": "proxPassword"}]'
 ```
+Note: Authentication details are optional.
 
 ## ```settings.xml``` with properties
 ```yml
diff --git a/settings.js b/settings.js
index 01f228d1..64eb4412 100644
--- a/settings.js
+++ b/settings.js
@@ -213,10 +213,10 @@ function fillProxies(template) {
         return;
     }
 
-    JSON.parse(proxies).forEach((proxy) => fillProxy(template, proxy.id, proxy.active, proxy.protocol, proxy.host, proxy.port, proxy.nonProxyHosts));
+    JSON.parse(proxies).forEach((proxy) => fillProxy(template, proxy.id, proxy.active, proxy.protocol, proxy.host, proxy.port, proxy.nonProxyHosts, proxy.user, proxy.password));
 }
 
-function fillProxy(template, id, active, protocol, host, port, nonProxyHosts) {
+function fillProxy(template, id, active, protocol, host, port, nonProxyHosts, proxyUser, proxyPassword) {
     if(!id || !active || !protocol || !host || !port || !nonProxyHosts) {
         core.setFailed('proxies must contain id, active, protocol, host, port and nonProxyHosts');
         return;
@@ -230,6 +230,13 @@ function fillProxy(template, id, active, protocol, host, port, nonProxyHosts) {
     proxyXml.getElementsByTagName("port")[0].textContent = port;
     proxyXml.getElementsByTagName("nonProxyHosts")[0].textContent = nonProxyHosts;
 
+    if(proxyUser) {
+        jsonToXml(proxyXml, proxyXml.documentElement, {username: proxyUser});
+    }
+    if(proxyPassword) {
+        jsonToXml(proxyXml, proxyXml.documentElement, {password: proxyPassword});
+    }
+    
     const proxiesXml = template.getElementsByTagName('proxies')[0];
     proxiesXml.appendChild(proxyXml);
 }
diff --git a/settings.test.js b/settings.test.js
index 02ce6494..b46702f3 100644
--- a/settings.test.js
+++ b/settings.test.js
@@ -466,6 +466,26 @@ test("fillProxies one proxy", () => {
 
 })
 
+test("fillProxies one proxy with auth info", () => {
+    const xml = stringAsXml("<proxies/>");
+
+    process.env['INPUT_PROXIES'] = `[{"id": "proxyId", "active": "isActive", "protocol": "proxyProtocol",
+     "host": "proxyHost", "port": "proxyPort", "nonProxyHosts": "nonProxyHost", "user": "proxyUser", "password": "somepassword"}]`;
+    
+    settings.fillProxies(xml);
+
+    const xmlStr = new XMLSerializer().serializeToString(xml);
+    expect(xmlStr).toBe(`<proxies><proxy>
+    <id>proxyId</id>
+    <active>isActive</active>
+    <protocol>proxyProtocol</protocol>
+    <host>proxyHost</host>
+    <port>proxyPort</port>
+    <nonProxyHosts>nonProxyHost</nonProxyHosts>
+<username>proxyUser</username><password>somepassword</password></proxy></proxies>`)
+
+})
+
 test("fillProxies two proxies", () => {
     const xml = stringAsXml("<proxies/>");