diff --git a/src/libraries/System.Data.OleDb/tests/AssemblyInfo.cs b/src/libraries/System.Data.OleDb/tests/AssemblyInfo.cs
new file mode 100644
index 00000000000000..6349558b2d1c35
--- /dev/null
+++ b/src/libraries/System.Data.OleDb/tests/AssemblyInfo.cs
@@ -0,0 +1,7 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using Xunit;
+
+// The OleDB tests use the ACE driver, which has issues with concurrency. 
+[assembly: CollectionBehavior(DisableTestParallelization = true)]