diff --git a/test-requirements.txt b/test-requirements.txt
index 88e2e4af..fcd5558e 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -14,3 +14,4 @@ oslotest>=1.7.0 # Apache-2.0
 testrepository>=0.0.18
 testscenarios>=0.4
 testtools>=1.4.0
+docker-py>=1.4.0 # Apache-2.0