diff --git a/lower-constraints.txt b/lower-constraints.txt
index c38dc239d..41dcc6f1e 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -37,7 +37,7 @@ netifaces==0.10.4
 os-client-config==1.29.0
 os-resource-classes==0.5.0
 os-service-types==1.2.0
-os-traits==2.1.0
+os-traits==2.2.0
 oslo.concurrency==3.26.0
 oslo.config==6.7.0
 oslo.context==2.19.2
diff --git a/placement/tests/functional/gabbits/traits.yaml b/placement/tests/functional/gabbits/traits.yaml
index 96f93dfd6..e28b605b8 100644
--- a/placement/tests/functional/gabbits/traits.yaml
+++ b/placement/tests/functional/gabbits/traits.yaml
@@ -12,7 +12,7 @@ tests:
 - name: what is at traits
   GET: /traits
   response_json_paths:
-      $.traits.`len`: 275  #  Number of standard traits
+      $.traits.`len`: 277  #  Number of standard traits
 
 - name: create a trait without custom namespace
   PUT: /traits/TRAIT_X
diff --git a/requirements.txt b/requirements.txt
index abe1bc1f5..9783ba95c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,5 +23,5 @@ oslo.middleware>=3.31.0 # Apache-2.0
 oslo.upgradecheck>=0.2.0 # Apache-2.0
 # NOTE(efried): Sync lower-constraints.txt for os-traits & os-resource-classes.
 os-resource-classes>=0.5.0 # Apache-2.0
-os-traits>=2.1.0 # Apache-2.0
+os-traits>=2.2.0 # Apache-2.0
 microversion-parse>=0.2.1 # Apache-2.0