diff --git a/requirements.txt b/requirements.txt
index 9c4e0e9..12f2bdd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,4 +10,4 @@ httplib2>=0.7.5
 paramiko>=1.13.0
 six>=1.9.0
 oslo.log>=1.8.0 # Apache-2.0
-os-testr>=0.1.0
+os-testr>=0.4.1