diff --git a/requirements.txt b/requirements.txt
index 4383ec93edd6..2a75a63583c5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -40,7 +40,7 @@ oslo.context>=2.19.2 # Apache-2.0
 oslo.log>=3.30.0 # Apache-2.0
 oslo.reports>=1.18.0 # Apache-2.0
 oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
-oslo.utils>=3.31.0 # Apache-2.0
+oslo.utils>=3.33.0 # Apache-2.0
 oslo.db>=4.27.0 # Apache-2.0
 oslo.rootwrap>=5.8.0 # Apache-2.0
 oslo.messaging>=5.29.0 # Apache-2.0
@@ -56,7 +56,7 @@ os-brick>=2.1.1 # Apache-2.0
 os-traits>=0.4.0 # Apache-2.0
 os-vif>=1.7.0 # Apache-2.0
 os-win>=2.0.0 # Apache-2.0
-castellan>=0.14.0 # Apache-2.0
+castellan>=0.16.0 # Apache-2.0
 microversion-parse>=0.1.2 # Apache-2.0
 os-xenapi>=0.3.1 # Apache-2.0
 tooz>=1.58.0 # Apache-2.0