diff --git a/requirements.txt b/requirements.txt
index baebf9ff..14c6a96b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,4 +11,4 @@ oslo.concurrency>=3.8.0 # Apache-2.0
 oslo.utils>=3.20.0 # Apache-2.0
 PyYAML>=3.10.0 # MIT
 jsonschema>=2.0.0,<3.0.0  # MIT
-pyudev>=0.15
+pyudev>=0.16.1 # LGPLv2.1+