diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index a75a444..4017a7f 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -33,14 +33,21 @@ jobs:
 
       - name: Setup Android SDK
         uses: android-actions/setup-android@07976c6290703d34c16d382cb36445f98bb43b1f # v3.2.0
+        with:
+          log-accepted-android-sdk-licenses: false
+
+      - name: Install .NET SDK
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: 9.0.100
 
-      - name: Install Android workload (macOS)
+      - name: Install Workloads (macOS)
         if: matrix.os == 'macos-latest'
-        run: sudo dotnet workload install maui-android
+        run: sudo dotnet workload restore
 
-      - name: Install Android workload (Windows/Linux)
+      - name: Install Workloads (Windows/Linux)
         if: matrix.os != 'macos-latest'
-        run: dotnet workload install maui-android
+        run: dotnet workload restore
 
       - name: Run batch build script
         if: matrix.os == 'windows-latest'
diff --git a/global.json b/global.json
new file mode 100644
index 0000000..40584df
--- /dev/null
+++ b/global.json
@@ -0,0 +1,7 @@
+{
+  "sdk": {
+    "version": "9.0.100",
+    "rollForward": "latestMinor",
+    "allowPrerelease": false
+  }
+}
diff --git a/src/Directory.Packages.props b/src/Directory.Packages.props
index 337fb02..2988655 100644
--- a/src/Directory.Packages.props
+++ b/src/Directory.Packages.props
@@ -1,7 +1,7 @@
 <Project>
   <PropertyGroup>
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
-    <SentryVersion>4.12.0</SentryVersion>
+    <SentryVersion>5.0.0-alpha.1</SentryVersion>
   </PropertyGroup>
   <ItemGroup>
     <PackageVersion Include="Sentry.Extensions.Logging" Version="$(SentryVersion)" />
diff --git a/src/SymbolCollector.Server/BatchFinalizer.cs b/src/SymbolCollector.Server/BatchFinalizer.cs
index 7ed44e5..bf3c8fa 100644
--- a/src/SymbolCollector.Server/BatchFinalizer.cs
+++ b/src/SymbolCollector.Server/BatchFinalizer.cs
@@ -35,7 +35,6 @@ public Task CloseBatch(
 public class SymsorterBatchFinalizer : IBatchFinalizer
 {
     private readonly SymbolServiceOptions _options;
-    private readonly IMetricsPublisher _metrics;
     private readonly ILogger<SymsorterBatchFinalizer> _logger;
     private readonly ISymbolGcsWriter _gcsWriter;
     private readonly BundleIdGenerator _bundleIdGenerator;
@@ -43,7 +42,6 @@ public class SymsorterBatchFinalizer : IBatchFinalizer
     private readonly string _symsorterOutputPath;
 
     public SymsorterBatchFinalizer(
-        IMetricsPublisher metrics,
         IOptions<SymbolServiceOptions> options,
         ISymbolGcsWriter gcsWriter,
         BundleIdGenerator bundleIdGenerator,
@@ -51,7 +49,6 @@ public SymsorterBatchFinalizer(
         ILogger<SymsorterBatchFinalizer> logger)
     {
         _options = options?.Value ?? throw new ArgumentNullException(nameof(options));
-        _metrics = metrics;
         _logger = logger ?? throw new ArgumentNullException(nameof(logger));
         _gcsWriter = gcsWriter ?? throw new ArgumentNullException(nameof(gcsWriter));
         _bundleIdGenerator = bundleIdGenerator;
@@ -89,7 +86,6 @@ traceHeader is not null
                 ? _hub.StartTransaction("CloseBatch", "batch.close", traceHeader)
                 : _hub.StartTransaction("CloseBatch", "batch.close");
 
-        var handle = _metrics.BeginGcsBatchUpload();
         _ = Task.Run(async () =>
             {
                 // get logger factory and create a logger for symsorter
@@ -189,7 +185,6 @@ into fileGroup
                     {
                         _logger.LogError(e, "Failed attempting to delete symsorter directory.");
                     }
-                    handle.Dispose();
                 }
 
             }, gcsUploadCancellation)
@@ -292,4 +287,4 @@ private bool SortSymbols(string batchLocation, SymbolUploadBatch batch, string s
         _logger.LogInformation("Symsorter processed: {count}", match.Groups["count"].Value);
         return false;
     }
-}
\ No newline at end of file
+}
diff --git a/src/SymbolCollector.Server/ProxyMetricsPublisher.cs b/src/SymbolCollector.Server/ProxyMetricsPublisher.cs
deleted file mode 100644
index 7f47f33..0000000
--- a/src/SymbolCollector.Server/ProxyMetricsPublisher.cs
+++ /dev/null
@@ -1,92 +0,0 @@
-namespace SymbolCollector.Server;
-
-public class ProxyMetricsPublisher(
-    // going through property to observe a change in the instance on the client.
-    // ReSharper disable once SuggestBaseTypeForParameterInConstructor
-    StatsDMetricsPublisher metricsPublisherImplementation,
-    // ReSharper disable once SuggestBaseTypeForParameterInConstructor
-    SentryMetricsPublisher metricsPublisherImplementation2)
-    : IMetricsPublisher
-{
-    public IDisposable BeginOpenBatch()
-    {
-        return new DisposableProxy(metricsPublisherImplementation.BeginOpenBatch(),
-            metricsPublisherImplementation2.BeginOpenBatch());
-    }
-
-    public IDisposable BeginCloseBatch()
-    {
-        return new DisposableProxy(metricsPublisherImplementation.BeginCloseBatch(),
-            metricsPublisherImplementation2.BeginCloseBatch());
-    }
-
-    public IDisposable BeginSymbolMissingCheck()
-    {
-        return new DisposableProxy(metricsPublisherImplementation.BeginSymbolMissingCheck(),
-            metricsPublisherImplementation2.BeginSymbolMissingCheck());
-    }
-
-    public IDisposable BeginUploadSymbol()
-    {
-        return new DisposableProxy(metricsPublisherImplementation.BeginUploadSymbol(),
-            metricsPublisherImplementation2.BeginUploadSymbol());
-    }
-
-    public void SymbolCheckExists()
-    {
-        metricsPublisherImplementation.SymbolCheckExists();
-        metricsPublisherImplementation2.SymbolCheckExists();
-    }
-
-    public void SymbolCheckMissing()
-    {
-        metricsPublisherImplementation.SymbolCheckMissing();
-        metricsPublisherImplementation2.SymbolCheckMissing();
-    }
-
-    public void FileStored(long size)
-    {
-        metricsPublisherImplementation.FileStored(size);
-        metricsPublisherImplementation2.FileStored(size);
-    }
-
-    public void FileInvalid()
-    {
-        metricsPublisherImplementation.FileInvalid();
-        metricsPublisherImplementation2.FileInvalid();
-    }
-
-    public void FileKnown()
-    {
-        metricsPublisherImplementation.FileKnown();
-        metricsPublisherImplementation2.FileKnown();
-    }
-
-    public void DebugIdHashConflict()
-    {
-        metricsPublisherImplementation.DebugIdHashConflict();
-        metricsPublisherImplementation2.DebugIdHashConflict();
-    }
-
-    public void SentryEventProcessed()
-    {
-        metricsPublisherImplementation.SentryEventProcessed();
-        metricsPublisherImplementation2.SentryEventProcessed();
-    }
-
-    public IDisposable BeginGcsBatchUpload()
-    {
-        return new DisposableProxy(metricsPublisherImplementation.BeginGcsBatchUpload(),
-            metricsPublisherImplementation2.BeginGcsBatchUpload());
-    }
-
-    private class DisposableProxy(IDisposable disposableImplementation, IDisposable disposableImplementation2)
-        : IDisposable
-    {
-        public void Dispose()
-        {
-            disposableImplementation.Dispose();
-            disposableImplementation2.Dispose();
-        }
-    }
-}
diff --git a/src/SymbolCollector.Server/SentryMetricsPublisher.cs b/src/SymbolCollector.Server/SentryMetricsPublisher.cs
deleted file mode 100644
index fbb57b9..0000000
--- a/src/SymbolCollector.Server/SentryMetricsPublisher.cs
+++ /dev/null
@@ -1,82 +0,0 @@
-using System.Diagnostics;
-using Sentry;
-
-namespace SymbolCollector.Server;
-
-public class SentryMetricsPublisher(IHub hub) : IMetricsPublisher
-{
-    private const string BatchOpenCurrentCount = "batch-current";
-
-    private class Timer(IMetricAggregator metricAggregator, string key, Action? onDispose = null) : IDisposable
-    {
-        private readonly Stopwatch _stopwatch = Stopwatch.StartNew();
-
-        public void Dispose()
-        {
-            _stopwatch.Stop();
-            metricAggregator.Timing(key, _stopwatch.ElapsedMilliseconds, MeasurementUnit.Duration.Millisecond);
-            onDispose?.Invoke();
-        }
-    }
-    public IDisposable BeginOpenBatch()
-    {
-        hub.Metrics.Gauge(BatchOpenCurrentCount);
-        return hub.Metrics.StartTimer(BatchOpenCurrentCount);
-    }
-
-    public IDisposable BeginCloseBatch()
-    {
-        return new Timer(hub.Metrics,"batch-close",
-            () => hub.Metrics.Gauge(BatchOpenCurrentCount, -1));
-    }
-
-    public IDisposable BeginSymbolMissingCheck()
-    {
-        return new Timer(hub.Metrics,"symbol-check");
-    }
-
-    public IDisposable BeginUploadSymbol()
-    {
-        return new Timer(hub.Metrics,"symbol-upload");
-    }
-
-    public void SymbolCheckExists()
-    {
-        hub.Metrics.Increment("symbol-check-exists");
-    }
-
-    public void SymbolCheckMissing()
-    {
-        hub.Metrics.Increment("symbol-check-missing");
-    }
-
-    public void FileStored(long size)
-    {
-        hub.Metrics.Increment("file-stored-bytes", size, MeasurementUnit.Custom("bytes"));
-    }
-
-    public void FileInvalid()
-    {
-        hub.Metrics.Increment("file-invalid");
-    }
-
-    public void FileKnown()
-    {
-        hub.Metrics.Increment("file-known");
-    }
-
-    public void DebugIdHashConflict()
-    {
-        hub.Metrics.Increment("debug-id-hash-conflict");
-    }
-
-    public void SentryEventProcessed()
-    {
-        hub.Metrics.Increment("sentry-event-processed");
-    }
-
-    public IDisposable BeginGcsBatchUpload()
-    {
-        return new Timer(hub.Metrics, "gcs-upload");
-    }
-}
diff --git a/src/SymbolCollector.Server/Startup.cs b/src/SymbolCollector.Server/Startup.cs
index 878ab0b..0c5ac8e 100644
--- a/src/SymbolCollector.Server/Startup.cs
+++ b/src/SymbolCollector.Server/Startup.cs
@@ -75,17 +75,6 @@ public void ConfigureServices(IServiceCollection services)
             .AddJsonOptions(options =>
                 options.JsonSerializerOptions.PropertyNamingPolicy = JsonNamingPolicy.CamelCase);
 
-        services.AddSingleton<ISymbolServiceMetrics, ProxyMetricsPublisher>();
-        services.AddSingleton<ISymbolControllerMetrics, ProxyMetricsPublisher>();
-        services.AddSingleton<IMetricsPublisher, ProxyMetricsPublisher>();
-
-        services.AddSingleton<StatsDMetricsPublisher>();
-        services.AddSingleton<SentryMetricsPublisher>();
-
-        services.AddSingleton<ProxyMetricsPublisher>(c => new ProxyMetricsPublisher(
-            c.GetRequiredService<StatsDMetricsPublisher>(),
-            c.GetRequiredService<SentryMetricsPublisher>()));
-
         services.AddOptions<StatsDOptions>()
             .Configure<IConfiguration>((o, c) => c.Bind("StatsD", o))
             .Validate(o => !string.IsNullOrWhiteSpace(o.Host), "StatD host is required.");
@@ -200,22 +189,18 @@ private string GetSymsorterPath()
     private class SymbolServiceEventProcessor : ISentryEventProcessor
     {
         private readonly IWebHostEnvironment _environment;
-        private readonly IMetricsPublisher _metrics;
         private readonly SymbolServiceOptions _options;
         private readonly string _cores = Environment.ProcessorCount.ToString();
         public SymbolServiceEventProcessor(
             IWebHostEnvironment environment,
-            IMetricsPublisher metrics,
             IOptions<SymbolServiceOptions> options)
         {
             _environment = environment;
-            _metrics = metrics;
             _options = options.Value;
         }
 
         public SentryEvent? Process(SentryEvent @event)
         {
-            _metrics.SentryEventProcessed();
             @event.SetTag("server-endpoint", _options.BaseAddress ?? "?");
             @event.Contexts["SymbolServiceOptions"] = _options;
 
diff --git a/src/SymbolCollector.Server/StatsDMetricsPublisher.cs b/src/SymbolCollector.Server/StatsDMetricsPublisher.cs
deleted file mode 100644
index 20171ea..0000000
--- a/src/SymbolCollector.Server/StatsDMetricsPublisher.cs
+++ /dev/null
@@ -1,78 +0,0 @@
-using JustEat.StatsD;
-
-namespace SymbolCollector.Server;
-
-public class StatsDMetricsPublisher : IMetricsPublisher
-{
-    private readonly IStatsDPublisher _publisher;
-    private const string BatchOpenCurrentCount = "batch-current";
-
-    public StatsDMetricsPublisher(IStatsDPublisher publisher) => _publisher = publisher;
-
-    public void DebugIdHashConflict() => _publisher.Increment("debug-id-hash-conflict");
-
-    public void SentryEventProcessed() => _publisher.Increment("sentry-event-processed");
-    public IDisposable BeginGcsBatchUpload() => _publisher.StartTimer("gcs-upload");
-
-    public IDisposable BeginOpenBatch()
-    {
-        _publisher.Increment(BatchOpenCurrentCount);
-        return _publisher.StartTimer("batch-open");
-    }
-
-    public IDisposable BeginCloseBatch()
-    {
-        var timing = _publisher.StartTimer("batch-close");
-
-        return new DisposeCallback(() =>
-        {
-            _publisher.Decrement(BatchOpenCurrentCount);
-            timing.Dispose();
-        });
-    }
-
-    private class DisposeCallback : IDisposable
-    {
-        private readonly Action _onDispose;
-        public DisposeCallback(Action onDispose) => _onDispose = onDispose;
-        public void Dispose() => _onDispose?.Invoke();
-    }
-
-    public IDisposable BeginSymbolMissingCheck() => _publisher.StartTimer("symbol-check");
-
-    public void SymbolCheckExists() => _publisher.Increment("symbol-check-exists"); // TODO: Could be a tag to 'symbol-check'
-
-    public void SymbolCheckMissing() => _publisher.Increment("symbol-check-missing"); // TODO: Could be a tag to 'symbol-check'
-
-    public IDisposable BeginUploadSymbol() => _publisher.StartTimer("symbol-upload");
-
-    public void FileStored(long size) => _publisher.Increment(size, "file-stored-bytes");
-
-    public void FileInvalid() => _publisher.Increment("file-invalid");
-
-    public void FileKnown() => _publisher.Increment("file-known");
-}
-
-public interface ISymbolControllerMetrics
-{
-    IDisposable BeginOpenBatch();
-    IDisposable BeginCloseBatch();
-    IDisposable BeginSymbolMissingCheck();
-    IDisposable BeginUploadSymbol();
-    void SymbolCheckExists();
-    void SymbolCheckMissing();
-    void FileStored(long size);
-    void FileInvalid();
-    void FileKnown();
-}
-
-public interface ISymbolServiceMetrics
-{
-    void DebugIdHashConflict();
-}
-
-public interface IMetricsPublisher : ISymbolControllerMetrics, ISymbolServiceMetrics
-{
-    public void SentryEventProcessed();
-    IDisposable BeginGcsBatchUpload();
-}
diff --git a/src/SymbolCollector.Server/SymbolService.cs b/src/SymbolCollector.Server/SymbolService.cs
index 4d25ffe..5b16d32 100644
--- a/src/SymbolCollector.Server/SymbolService.cs
+++ b/src/SymbolCollector.Server/SymbolService.cs
@@ -73,7 +73,6 @@ public string BaseWorkingPath
 
 internal class InMemorySymbolService : ISymbolService, IDisposable
 {
-    private readonly ISymbolServiceMetrics _metrics;
     private readonly ObjectFileParser _parser;
     private readonly IBatchFinalizer _batchFinalizer;
     private readonly SymbolServiceOptions _options;
@@ -87,13 +86,11 @@ internal class InMemorySymbolService : ISymbolService, IDisposable
     private readonly string _conflictPath;
 
     public InMemorySymbolService(
-        ISymbolServiceMetrics metrics,
         ObjectFileParser parser,
         IBatchFinalizer batchFinalizer,
         IOptions<SymbolServiceOptions> options,
         ILogger<InMemorySymbolService> logger)
     {
-        _metrics = metrics;
         _parser = parser;
         _batchFinalizer = batchFinalizer;
         _options = options.Value;
@@ -189,8 +186,6 @@ private async Task<StoreResult> StoreIsolated(
                 && symbol.Hash is { }
                 && string.CompareOrdinal(fileResult.Hash, symbol.Hash) != 0)
             {
-                _metrics.DebugIdHashConflict();
-
                 var conflictDestination = Path.Combine(
                     _conflictPath,
                     fileResult.UnifiedId);
@@ -354,4 +349,4 @@ private async Task<SymbolUploadBatch> GetOpenBatch(Guid batchId, CancellationTok
     }
 
     public void Dispose() => (_batchFinalizer as IDisposable)?.Dispose();
-}
\ No newline at end of file
+}
diff --git a/src/SymbolCollector.Server/SymbolsController.cs b/src/SymbolCollector.Server/SymbolsController.cs
index a6541b8..2c8fece 100644
--- a/src/SymbolCollector.Server/SymbolsController.cs
+++ b/src/SymbolCollector.Server/SymbolsController.cs
@@ -18,7 +18,6 @@ public class SymbolsController : Controller
     private readonly long _fileSizeLimit;
     private readonly IHub _hub;
     private readonly ISymbolService _symbolService;
-    private readonly ISymbolControllerMetrics _metrics;
     private readonly ILogger<SymbolsController> _logger;
     private readonly char[] _invalidChars;
 
@@ -28,12 +27,10 @@ public SymbolsController(
         IHub hub,
         IConfiguration config,
         ISymbolService symbolService,
-        ISymbolControllerMetrics metrics,
         ILogger<SymbolsController> logger)
     {
         _hub = hub;
         _symbolService = symbolService;
-        _metrics = metrics;
         _logger = logger;
         _fileSizeLimit = config.GetValue<long>("FileSizeLimitBytes");
         // Don't allow file names with paths encoded.
@@ -53,7 +50,6 @@ public async Task<IActionResult> Start(
         [FromBody] BatchStartRequestModel model,
         CancellationToken token)
     {
-        using var _ = _metrics.BeginOpenBatch();
         if (!ModelState.IsValid)
         {
             return BadRequest(ModelState);
@@ -79,7 +75,6 @@ public async Task<IActionResult> Start(
     public async Task<IActionResult> CloseBatch([FromRoute] Guid batchId, [FromBody] BatchEndRequestModel model,
         CancellationToken token)
     {
-        using var _ = _metrics.BeginCloseBatch();
         await ValidateBatch(batchId, ModelState, token);
 
         if (!ModelState.IsValid)
@@ -103,7 +98,6 @@ public async Task<IActionResult> IsSymbolMissing(
         [FromRoute] string? hash,
         CancellationToken token)
     {
-        using var _ = _metrics.BeginSymbolMissingCheck();
         await ValidateBatch(batchId, ModelState, token);
 
         if (!ModelState.IsValid)
@@ -121,7 +115,6 @@ public async Task<IActionResult> IsSymbolMissing(
         {
             _logger.LogDebug("{batchId} looked for {unifiedId} and {hash} which is a missing symbol.",
                 batchId, unifiedId, hash);
-            _metrics.SymbolCheckMissing();
             return Ok();
         }
 
@@ -149,7 +142,6 @@ public async Task<IActionResult> IsSymbolMissing(
             await _symbolService.Relate(batchId, symbol, token);
         }
 
-        _metrics.SymbolCheckExists();
         return Conflict();
     }
 
@@ -173,7 +165,6 @@ public async Task<IActionResult> UploadSymbol(
         [FromRoute] Guid batchId,
         CancellationToken token)
     {
-        using var _ = _metrics.BeginUploadSymbol();
         await ValidateBatch(batchId, ModelState, token);
 
         if (!ModelState.IsValid)
@@ -231,22 +222,8 @@ public async Task<IActionResult> UploadSymbol(
                     data,
                     token);
 
-                switch (fileStoreResult)
-                {
-                    case StoreResult.Invalid:
-                        _metrics.FileInvalid();
-                        break;
-                    case StoreResult.Created:
-                        _metrics.FileStored(data.Length);
-                        break;
-                    case StoreResult.AlreadyExisted:
-                        _metrics.FileKnown();
-                        break;
-                }
-
                 results.Add((fileName, fileStoreResult));
 
-
                 await data.DisposeAsync();
             }
             else
@@ -413,4 +390,4 @@ public static bool HasFileContentDisposition(ContentDispositionHeaderValue conte
                && (!string.IsNullOrEmpty(contentDisposition.FileName.Value)
                    || !string.IsNullOrEmpty(contentDisposition.FileNameStar.Value));
     }
-}
\ No newline at end of file
+}
diff --git a/test/SymbolCollector.Android.UITests/Tests.cs b/test/SymbolCollector.Android.UITests/Tests.cs
index 010f678..aff373f 100644
--- a/test/SymbolCollector.Android.UITests/Tests.cs
+++ b/test/SymbolCollector.Android.UITests/Tests.cs
@@ -16,7 +16,7 @@ public void BeforeEachTest()
     {
         var setup = ConfigureApp.Android;
         // local testing
-        const string apkPath = "../../../../../src/SymbolCollector.Android/bin/Release/net8.0-android/io.sentry.symbolcollector.android-Signed.apk";
+        const string apkPath = "../../../../../src/SymbolCollector.Android/bin/Release/net9.0-android/io.sentry.symbolcollector.android-Signed.apk";
         if (File.Exists(apkPath))
         {
             setup = setup.ApkFile(apkPath);
@@ -94,4 +94,4 @@ public void Flush()
 
         CollectSymbolSuccess = null;
     }
-}
\ No newline at end of file
+}