diff --git a/asynq_test.go b/asynq_test.go
index af4f22f..d4addc5 100644
--- a/asynq_test.go
+++ b/asynq_test.go
@@ -18,7 +18,7 @@ func setup(t *testing.T) *redis.Client {
 	t.Helper()
 	r := redis.NewClient(&redis.Options{
 		Addr: "localhost:6379",
-		DB:   15,
+		DB:   14,
 	})
 	// Start each test with a clean slate.
 	if err := r.FlushDB().Err(); err != nil {
diff --git a/internal/rdb/rdb_test.go b/internal/rdb/rdb_test.go
index 8366184..df28f0f 100644
--- a/internal/rdb/rdb_test.go
+++ b/internal/rdb/rdb_test.go
@@ -21,7 +21,7 @@ func setup(t *testing.T) *RDB {
 	t.Helper()
 	r := NewRDB(redis.NewClient(&redis.Options{
 		Addr: "localhost:6379",
-		DB:   15,
+		DB:   13,
 	}))
 	// Start each test with a clean slate.
 	if err := r.client.FlushDB().Err(); err != nil {