diff --git a/tests/ext/har2case/core_test.py b/tests/ext/har2case/core_test.py
index 21e818ad..f696e5c0 100644
--- a/tests/ext/har2case/core_test.py
+++ b/tests/ext/har2case/core_test.py
@@ -2,7 +2,7 @@ import os
 
 from httprunner.ext.har2case.core import HarParser
 from httprunner.ext.har2case.utils import load_har_log_entries
-from tests.ext.har2case.utils_test import TestHar2CaseUtils
+from tests.ext.har2case.har_utils_test import TestHar2CaseUtils
 
 
 class TestHar(TestHar2CaseUtils):