diff --git a/ReleaseNotes.md b/ReleaseNotes.md
index 2cebbb0..2570563 100644
--- a/ReleaseNotes.md
+++ b/ReleaseNotes.md
@@ -1,3 +1,7 @@
+# 0.1.1
+
+- [Fix] Using basic auth instead of bearer token
+
 # 0.1.0
 
 - Initial release
\ No newline at end of file
diff --git a/src/PipelinesTestLogger/LoggerQueue.cs b/src/PipelinesTestLogger/LoggerQueue.cs
index 5ac5b90..402af3f 100644
--- a/src/PipelinesTestLogger/LoggerQueue.cs
+++ b/src/PipelinesTestLogger/LoggerQueue.cs
@@ -22,8 +22,12 @@ internal class LoggerQueue
         private int totalSent = 0;
 
         public LoggerQueue(string accessToken, string apiUrl)
-        {
-            _client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", accessToken);
+        {
+            // The : character delimits username (which should be empty here) and password in basic auth headers
+            _client.DefaultRequestHeaders.Authorization
+                = new AuthenticationHeaderValue("Basic",
+                    Convert.ToBase64String(
+                        ASCIIEncoding.ASCII.GetBytes($":{ accessToken }")));
             _apiUrl = apiUrl;
             _consumeTask = ConsumeItemsAsync(_consumeTaskCancellationSource.Token);
         }