diff --git a/tests/integration/test-solvers.py b/tests/integration/test-solvers.py
index 9a57cad..90b11ad 100644
--- a/tests/integration/test-solvers.py
+++ b/tests/integration/test-solvers.py
@@ -2,6 +2,7 @@
 import sys
 
 import unittest
+import xmlrunner
 import subprocess