diff --git a/lower-constraints.txt b/lower-constraints.txt
index dffdd767a..08de12e3e 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -19,7 +19,6 @@ keystonemiddleware==4.17.0
 msgpack==1.0.0
 os-api-ref==1.4.0
 os-client-config==1.28.0
-os-testr==1.0.0
 oslo.cache==1.26.0
 oslo.config==5.2.0
 oslo.context==2.19.2