diff --git a/multipart/tests/test_multipart.py b/multipart/tests/test_multipart.py
index 0e38c9c..ab33e7c 100644
--- a/multipart/tests/test_multipart.py
+++ b/multipart/tests/test_multipart.py
@@ -716,7 +716,7 @@ def test_not_aligned(self):
             test_data = f.read()
 
         with open(yaml_file, 'rb') as f:
-            yaml_data = yaml.load(f)
+            yaml_data = yaml.safe_load(f)
 
         http_tests.append({
             'name': fname,