diff --git a/src/libstrongswan/tests/suites/test_vectors.c b/src/libstrongswan/tests/suites/test_vectors.c
index 34e4a99a6..a35342837 100644
--- a/src/libstrongswan/tests/suites/test_vectors.c
+++ b/src/libstrongswan/tests/suites/test_vectors.c
@@ -60,7 +60,7 @@ Suite *vectors_suite_create()
 
 	tc = tcase_create("transforms");
 	tcase_add_loop_test(tc, test_vectors, 0, countof(tfs));
-	tcase_set_timeout(tc, 8);
+	tcase_set_timeout(tc, 20);
 	suite_add_tcase(s, tc);
 
 	return s;