diff --git a/test-requirements.txt b/test-requirements.txt
index 3aa51af4cc..6f853f8633 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -14,7 +14,7 @@ PyMySQL>=0.7.6 # MIT License
 oslosphinx>=4.7.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0
 oslo.privsep!=1.17.0,>=1.9.0 # Apache-2.0
-pyroute2>=0.4.20 # Apache-2.0 (+ dual licensed GPL2)
+pyroute2>=0.4.21 # Apache-2.0 (+ dual licensed GPL2)
 testrepository>=0.0.18 # Apache-2.0/BSD
 testresources>=0.2.4 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT