diff --git a/cocotb_test/run.py b/cocotb_test/run.py
index 775b5be..6092a98 100644
--- a/cocotb_test/run.py
+++ b/cocotb_test/run.py
@@ -1,6 +1,6 @@
 import os
 import inspect
-
+import shutil
 
 import cocotb_test.simulator
 from cocotb_test.build_libs import build_libs