diff --git a/src/main/java/me/itzg/helpers/get/GetCommand.java b/src/main/java/me/itzg/helpers/get/GetCommand.java
index 557f6368..a75e2713 100644
--- a/src/main/java/me/itzg/helpers/get/GetCommand.java
+++ b/src/main/java/me/itzg/helpers/get/GetCommand.java
@@ -6,6 +6,7 @@
 import java.io.PrintWriter;
 import java.net.URI;
 import java.net.URISyntaxException;
+import java.nio.charset.StandardCharsets;
 import java.nio.file.FileSystems;
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -14,6 +15,7 @@
 import java.time.ZoneId;
 import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
+import java.util.Base64;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashSet;
@@ -375,12 +377,26 @@ private void pruneOtherFiles(Set<Path> outputs) throws IOException {
 
     private Path processSingleUri(URI uri, CloseableHttpClient client,
         Path modifiedSinceFile, OutputResponseHandler handler) throws URISyntaxException, IOException {
-        final URI requestUri = uri.getPath().startsWith("//") ?
+        URI requestUri = uri.getPath().startsWith("//") ?
             alterUriPath(uri, uri.getPath().substring(1)) : uri;
 
+        final String authHeader;
+        if (requestUri.getUserInfo() != null) {
+            authHeader = "Basic " +
+                Base64.getEncoder().withoutPadding()
+                    .encodeToString(requestUri.getUserInfo().getBytes(StandardCharsets.UTF_8));
+            requestUri = removeUserInfo(requestUri);
+        }
+        else {
+            authHeader = null;
+        }
+
         log.debug("Getting uri={}", requestUri);
 
         final HttpGet request = new HttpGet(requestUri);
+        if (authHeader != null) {
+            request.addHeader(HttpHeaders.AUTHORIZATION, authHeader);
+        }
         if (acceptContentTypes != null) {
             for (String acceptContentType : acceptContentTypes) {
                 request.addHeader(HttpHeaders.ACCEPT, acceptContentType);
@@ -431,4 +447,17 @@ private static URI alterUriPath(URI uri, String path) throws URISyntaxException
         );
     }
 
+    private static URI removeUserInfo(URI uri) throws URISyntaxException {
+        return new URI(
+            uri.getScheme(),
+            null,
+            uri.getHost(),
+            uri.getPort(),
+            uri.getPath(),
+            uri.getQuery(),
+            uri.getFragment()
+        );
+    }
+
+
 }
diff --git a/src/test/java/me/itzg/helpers/get/GetCommandTest.java b/src/test/java/me/itzg/helpers/get/GetCommandTest.java
index 180ab964..639d3b53 100644
--- a/src/test/java/me/itzg/helpers/get/GetCommandTest.java
+++ b/src/test/java/me/itzg/helpers/get/GetCommandTest.java
@@ -7,6 +7,7 @@
 import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.net.MalformedURLException;
+import java.net.URISyntaxException;
 import me.itzg.helpers.TestLoggingAppender;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Test;
@@ -52,6 +53,26 @@ void outputsDownload() throws MalformedURLException {
     assertThat(output.toString()).isEqualTo("Response content");
   }
 
+  @Test
+  void usesBasicAuth() throws MalformedURLException, URISyntaxException {
+    mock.expectRequest("GET","/",
+        request -> request.withHeader("Authorization", "Basic dXNlcjpwYXNz"),
+        response()
+            .withBody("You're in", MediaType.TEXT_PLAIN)
+    );
+
+    final StringWriter output = new StringWriter();
+    final int status =
+        new CommandLine(new GetCommand())
+            .setOut(new PrintWriter(output))
+            .execute(
+                mock.buildMockedUrl("/", "user:pass").toString()
+            );
+
+    assertThat(status).isEqualTo(0);
+    assertThat(output.toString()).isEqualTo("You're in");
+  }
+
   @Test
   void handlesExtraSlashAtStartOfPath() throws MalformedURLException {
     mock.expectRequest("GET","/handlesExtraSlashAtStartOfPath.txt",
diff --git a/src/test/java/me/itzg/helpers/get/MockServerSupport.java b/src/test/java/me/itzg/helpers/get/MockServerSupport.java
index 06497b5f..81441f6c 100644
--- a/src/test/java/me/itzg/helpers/get/MockServerSupport.java
+++ b/src/test/java/me/itzg/helpers/get/MockServerSupport.java
@@ -3,6 +3,8 @@
 import static org.mockserver.model.HttpRequest.request;
 
 import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URISyntaxException;
 import java.net.URL;
 import org.mockserver.integration.ClientAndServer;
 import org.mockserver.matchers.Times;
@@ -11,15 +13,28 @@
 
 class MockServerSupport {
 
-  private ClientAndServer client;
+  private final ClientAndServer client;
 
   public MockServerSupport(ClientAndServer client) {
 
     this.client = client;
   }
 
-  URL buildMockedUrl(String s) throws MalformedURLException {
-    return new URL("http", "localhost", client.getLocalPort(), s);
+  URL buildMockedUrl(String path) throws MalformedURLException {
+    return new URL("http", "localhost", client.getLocalPort(), path);
+  }
+
+  @SuppressWarnings("SameParameterValue")
+  URL buildMockedUrl(String path, String userInfo) throws URISyntaxException, MalformedURLException {
+    return new URI(
+        "http",
+        userInfo,
+        "localhost",
+        client.getLocalPort(),
+        path,
+        null,
+        null
+    ).toURL();
   }
 
   @FunctionalInterface
@@ -31,6 +46,7 @@ void expectRequest(String method, String path, HttpResponse httpResponse) {
     expectRequest(method, path, request -> request, httpResponse);
   }
 
+  @SuppressWarnings("SameParameterValue")
   void expectRequest(String method, String path, HttpResponse httpResponse, int responseTimes) {
     expectRequest(method, path, request -> request, httpResponse, responseTimes);
   }