diff --git a/tests/sanity/ignore-2.18.txt b/tests/sanity/ignore-2.18.txt
new file mode 100644
index 0000000..3cf68c0
--- /dev/null
+++ b/tests/sanity/ignore-2.18.txt
@@ -0,0 +1 @@
+tests/utils/shippable/timing.py shebang