diff --git a/pyproject.toml b/pyproject.toml
index 175a0d3..002ede9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "rbx-upload"
-version = "0.2.8"
+version = "0.2.9"
 description = "Roblox asset upload client"
 requires-python = ">=3.13"
 dependencies = [
diff --git a/src/rbx_upload/client.py b/src/rbx_upload/client.py
index f7cc013..2381170 100644
--- a/src/rbx_upload/client.py
+++ b/src/rbx_upload/client.py
@@ -297,7 +297,7 @@ class RobloxClient:
         if response.status_code == 429:
             raise RateLimitError("Rate limit hit during collectible publish.")
         if response.status_code in (401, 403):
-            raise AuthError("Not authorized to publish this collectible.")
+            raise AuthError(f"Not authorized to publish this collectible ({response.status_code}): {response.text}")
 
         response.raise_for_status()
         data = response.json()