diff --git a/CliWrap.Tests/EnvironmentSpecs.cs b/CliWrap.Tests/EnvironmentSpecs.cs
index 8422cdf2..2b3f2d47 100644
--- a/CliWrap.Tests/EnvironmentSpecs.cs
+++ b/CliWrap.Tests/EnvironmentSpecs.cs
@@ -1,23 +1,26 @@
 using System;
 using System.Collections.Generic;
-using System.IO;
 using System.Threading.Tasks;
 using CliWrap.Buffered;
+using CliWrap.Tests.Fixtures;
 using CliWrap.Tests.Utils;
 using FluentAssertions;
 using Xunit;
 
 namespace CliWrap.Tests;
 
-public class EnvironmentSpecs
+public class EnvironmentSpecs : IClassFixture<TempOutputFixture>
 {
+    private readonly TempOutputFixture _tempOutputFixture;
+
+    public EnvironmentSpecs(TempOutputFixture tempOutputFixture) =>
+        _tempOutputFixture = tempOutputFixture;
+
     [Fact(Timeout = 15000)]
     public async Task Command_can_be_executed_with_a_custom_working_directory()
     {
         // Arrange
-        var workingDirPath = Path.GetTempPath()
-            // trim slashes for cross-platform consistency
-            .TrimEnd(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar);
+        var workingDirPath = _tempOutputFixture.GetTempDirPath();
 
         var cmd = Cli.Wrap("dotnet")
             .WithWorkingDirectory(workingDirPath)
diff --git a/CliWrap.Tests/Fixtures/TempOutputFixture.cs b/CliWrap.Tests/Fixtures/TempOutputFixture.cs
index 4bb4f08e..b9e9cc7d 100644
--- a/CliWrap.Tests/Fixtures/TempOutputFixture.cs
+++ b/CliWrap.Tests/Fixtures/TempOutputFixture.cs
@@ -8,15 +8,28 @@ namespace CliWrap.Tests.Fixtures;
 
 public class TempOutputFixture : IDisposable
 {
-    private readonly string _dirPath =
+    private readonly string _rootDirPath =
         Path.GetDirectoryName(typeof(TempOutputFixture).Assembly.Location) ??
         Directory.GetCurrentDirectory();
 
+    private readonly ConcurrentBag<string> _dirPaths = new();
     private readonly ConcurrentBag<string> _filePaths = new();
 
+    public string GetTempDirPath(string dirName)
+    {
+        var dirPath = Path.Combine(_rootDirPath, dirName);
+
+        Directory.CreateDirectory(dirPath);
+        _dirPaths.Add(dirPath);
+
+        return dirPath;
+    }
+
+    public string GetTempDirPath() => GetTempDirPath($"Test-{Guid.NewGuid()}");
+
     public string GetTempFilePath(string fileName)
     {
-        var filePath = Path.Combine(_dirPath, fileName);
+        var filePath = Path.Combine(_rootDirPath, fileName);
         _filePaths.Add(filePath);
 
         return filePath;
@@ -44,6 +57,22 @@ public void Dispose()
             }
         }
 
+        foreach (var dirPath in _dirPaths)
+        {
+            try
+            {
+                Directory.Delete(dirPath, true);
+            }
+            catch (DirectoryNotFoundException)
+            {
+                // Ignore
+            }
+            catch (Exception ex)
+            {
+                exceptions.Add(ex);
+            }
+        }
+
         if (exceptions.Any())
             throw new AggregateException(exceptions);
     }