diff --git a/lower-constraints.txt b/lower-constraints.txt
index d423cbff..f03c6977 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -48,7 +48,6 @@ nose==1.3.7
 openstacksdk==0.11.2
 os-client-config==1.28.0
 os-service-types==1.2.0
-os-testr==1.0.0
 osc-lib==1.8.0
 oslo.concurrency==3.25.0
 oslo.config==5.2.0