diff --git a/stix2/test/v21/test_observed_data.py b/stix2/test/v21/test_observed_data.py
index 1854e40..abcbb7b 100644
--- a/stix2/test/v21/test_observed_data.py
+++ b/stix2/test/v21/test_observed_data.py
@@ -1300,7 +1300,7 @@ def test_software_example():
     s = stix2.v21.Software(
         name="Word",
         cpe="cpe:2.3:a:microsoft:word:2000:*:*:*:*:*:*:*",
-        swid="e2489b43-a436-47fd-9ea5-165ff0316114",
+        swid="com.acme.rms-ce-v4-1-5-0",
         version="2002",
         vendor="Microsoft",
     )