diff --git a/test/Sentry.Profiling.Tests/ProfilingSentryOptionsExtensionsTests.cs b/test/Sentry.Profiling.Tests/ProfilingSentryOptionsExtensionsTests.cs
index 3ba7bf3cf6..226e7f5e20 100644
--- a/test/Sentry.Profiling.Tests/ProfilingSentryOptionsExtensionsTests.cs
+++ b/test/Sentry.Profiling.Tests/ProfilingSentryOptionsExtensionsTests.cs
@@ -2,6 +2,7 @@ namespace Sentry.Profiling.Tests;
 
 #nullable enable
 
+[Collection(nameof(ProfilingTestCollection))]
 public class ProfilingSentryOptionsExtensionsTests
 {
     private readonly InMemoryDiagnosticLogger _logger = new();
diff --git a/test/Sentry.Profiling.Tests/ProfilingTestCollection.cs b/test/Sentry.Profiling.Tests/ProfilingTestCollection.cs
new file mode 100644
index 0000000000..8c7fdceeb2
--- /dev/null
+++ b/test/Sentry.Profiling.Tests/ProfilingTestCollection.cs
@@ -0,0 +1,6 @@
+namespace Sentry.Profiling.Tests;
+
+[CollectionDefinition(nameof(ProfilingTestCollection), DisableParallelization = true)]
+public sealed class ProfilingTestCollection
+{
+}
diff --git a/test/Sentry.Profiling.Tests/SamplingTransactionProfilerTests.cs b/test/Sentry.Profiling.Tests/SamplingTransactionProfilerTests.cs
index 1ba4e4f372..25e1841d3e 100644
--- a/test/Sentry.Profiling.Tests/SamplingTransactionProfilerTests.cs
+++ b/test/Sentry.Profiling.Tests/SamplingTransactionProfilerTests.cs
@@ -6,7 +6,7 @@ namespace Sentry.Profiling.Tests;
 
 // Note: we must not run tests in parallel because we only support profiling one transaction at a time.
 // That means setting up a test-collection with parallelization disabled and NOT using any async test functions.
-[CollectionDefinition(nameof(SamplingTransactionProfilerTests), DisableParallelization = true)]
+[Collection(nameof(ProfilingTestCollection))]
 public class SamplingTransactionProfilerTests
 {
     private readonly TestOutputDiagnosticLogger _testOutputLogger;