diff --git a/VXAutoUpdater/Core/VXMusicAutoUpdater.cs b/VXAutoUpdater/Core/VXMusicAutoUpdater.cs
index 971baa1..4baa7d8 100644
--- a/VXAutoUpdater/Core/VXMusicAutoUpdater.cs
+++ b/VXAutoUpdater/Core/VXMusicAutoUpdater.cs
@@ -133,7 +133,8 @@ public async Task<bool> DownloadUpdate(Release release)
                 
                 using (var httpClient = new HttpClient())
                 {
-                    httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", _personalAccessToken);
+                    if(!string.IsNullOrEmpty(_personalAccessToken))
+                        httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", _personalAccessToken);
                     httpClient.DefaultRequestHeaders.UserAgent.Add(new ProductInfoHeaderValue("VXMusic", "1.0"));
                     httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/octet-stream"));
                     
diff --git a/VXMusicDesktop/VXMusicDesktop.csproj b/VXMusicDesktop/VXMusicDesktop.csproj
index f1cf058..b70df5f 100644
--- a/VXMusicDesktop/VXMusicDesktop.csproj
+++ b/VXMusicDesktop/VXMusicDesktop.csproj
@@ -9,7 +9,7 @@
     <PackageIcon>VXLogo.png</PackageIcon>
     <ApplicationIcon>Images\VXLogoIcon.ico</ApplicationIcon>
     <RunPostBuildEvent>Always</RunPostBuildEvent>
-    <Version>0.6.4.7</Version>
+    <Version>0.6.4.8</Version>
     <SatelliteResourceLanguages>en</SatelliteResourceLanguages>
     <Title>VXMusicDesktop</Title>
     <Authors>VirtualXtensions</Authors>