diff --git a/requirements.txt b/requirements.txt
index 80d4c1ec73..29d18b1a1f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -52,7 +52,7 @@ psutil>=3.2.2 # BSD
 oslo.versionedobjects>=1.35.0 # Apache-2.0
 os-brick>=6.0 # Apache-2.0
 os-resource-classes>=1.1.0 # Apache-2.0
-os-traits>=3.2.0 # Apache-2.0
+os-traits>=3.3.0 # Apache-2.0
 os-vif>=3.1.0 # Apache-2.0
 castellan>=0.16.0 # Apache-2.0
 microversion-parse>=0.2.1 # Apache-2.0