diff --git a/fs/simple_test.go b/fs/simple_test.go
index d48d315ed..909b495f3 100644
--- a/fs/simple_test.go
+++ b/fs/simple_test.go
@@ -22,6 +22,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/google/uuid"
 	"github.com/hanwen/go-fuse/v2/fuse"
 	"github.com/hanwen/go-fuse/v2/internal/testutil"
 	"github.com/hanwen/go-fuse/v2/posixtest"
@@ -76,6 +77,11 @@ func newTestCase(t *testing.T, opts *testOptions) *testCase {
 		dir: opts.testDir,
 		T:   t,
 	}
+	uid, _ := uuid.NewUUID()
+	tc.dir = filepath.Join(tc.dir, uid.String())
+	if err := os.Mkdir(tc.dir, 0755); err != nil {
+		t.Fatal(err)
+	}
 	tc.origDir = tc.dir + "/orig"
 	tc.mntDir = tc.dir + "/mnt"
 	if err := os.Mkdir(tc.origDir, 0755); err != nil {
diff --git a/fuse/test/loopback_test.go b/fuse/test/loopback_test.go
index e9d5216aa..ffba64416 100644
--- a/fuse/test/loopback_test.go
+++ b/fuse/test/loopback_test.go
@@ -18,6 +18,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/google/uuid"
 	"github.com/hanwen/go-fuse/v2/fuse"
 	"github.com/hanwen/go-fuse/v2/fuse/nodefs"
 	"github.com/hanwen/go-fuse/v2/fuse/pathfs"
@@ -75,9 +76,13 @@ func NewTestCase(t *testing.T) *testCase {
 
 	const name string = "hello.txt"
 	const subdir string = "subdir"
+	uid, _ := uuid.NewUUID()
 
 	var err error
-	tc.tmpDir = t.TempDir()
+	tc.tmpDir = filepath.Join(t.TempDir(), uid.String())
+	if err := os.Mkdir(tc.tmpDir, 0755); err != nil {
+		t.Fatal(err)
+	}
 	tc.orig = tc.tmpDir + "/orig"
 	tc.mnt = tc.tmpDir + "/mnt"
 
diff --git a/go.mod b/go.mod
index aab8793a8..5fcdb355a 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,7 @@
 module github.com/hanwen/go-fuse/v2
 
 require (
+	github.com/google/uuid v1.6.0
 	github.com/kylelemons/godebug v0.0.0-20170820004349-d65d576e9348
 	github.com/moby/sys/mountinfo v0.6.2
 	golang.org/x/sync v0.0.0-20201207232520-09787c993a3a
diff --git a/go.sum b/go.sum
index 58ee319b2..534ad54a6 100644
--- a/go.sum
+++ b/go.sum
@@ -1,3 +1,5 @@
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/kylelemons/godebug v0.0.0-20170820004349-d65d576e9348 h1:MtvEpTB6LX3vkb4ax0b5D2DHbNAUsen0Gx5wZoq3lV4=
 github.com/kylelemons/godebug v0.0.0-20170820004349-d65d576e9348/go.mod h1:B69LEHPfb2qLo0BaaOLcbitczOKLWTsrBG9LczfCD4k=
 github.com/moby/sys/mountinfo v0.6.2 h1:BzJjoreD5BMFNmD9Rus6gdd1pLuecOFPt8wC+Vygl78=