diff --git a/lower-constraints.txt b/lower-constraints.txt
index aea63949f..e6971091e 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -38,7 +38,6 @@ netifaces==0.10.4
 openstacksdk==0.18.0
 os-client-config==1.28.0
 os-service-types==1.2.0
-os-testr==1.0.0
 osc-lib==2.0.0
 oslo.concurrency==3.26.0
 oslo.config==5.2.0