diff --git a/tests/test_coastline.py b/tests/test_coastline.py
index 65f6792..13ce47b 100644
--- a/tests/test_coastline.py
+++ b/tests/test_coastline.py
@@ -6,6 +6,7 @@
 from coastlines.validation import validation_cli
 
 import os
+import json
 os.environ['CLICK_DEBUG'] = '1'
 
 @pytest.mark.dependency()