diff --git a/Lib/test/test_unicodedata.py b/Lib/test/test_unicodedata.py
index b552d2bd175..edfd860fd5f 100644
--- a/Lib/test/test_unicodedata.py
+++ b/Lib/test/test_unicodedata.py
@@ -320,6 +320,7 @@ class NormalizationTest(unittest.TestCase):
         data = [int(x, 16) for x in data.split(" ")]
         return "".join([chr(x) for x in data])
 
+    @requires_resource('network')
     def test_normalization(self):
         TESTDATAFILE = "NormalizationTest.txt"
         TESTDATAURL = f"http://www.pythontest.net/unicode/{unicodedata.unidata_version}/{TESTDATAFILE}"