diff --git a/lower-constraints.txt b/lower-constraints.txt
index 5ded84f2fd8a7c7485c328a9f2d6cafc167d2b51..071c7ea6582d64e291bce733fdb4160abfcecf04 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -2,7 +2,7 @@ oslo.config==5.2.0
 oslo.i18n==3.15.3
 enum34==1.0.4
 PrettyTable==0.7.1
-oslotest==1.5.1
+oslotest==3.5.0
 stestr==2.0.0
 oslo.serialization==2.21.1
 oslo.utils==4.5.0
diff --git a/test-requirements.txt b/test-requirements.txt
index ccb9645369e88d4813aba8161391b6a3c04eaaf9..ade8eefc072f39e5170e8be24b226e567067c7f6 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 
 hacking>=3.0,<3.1.0 # Apache-2.0
-oslotest>=1.5.1
+oslotest>=3.5.0
 stestr>=2.0.0
 pre-commit>=2.6.0 # MIT
 oslo.serialization>=2.21.1 # Apache-2.0