diff --git a/requirements.txt b/requirements.txt
index 2300214..cd74449 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@
 oslo.config>=5.1.0 # Apache-2.0
 oslo.log>=3.30.0 # 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
 six>=1.10.0 # MIT
 fixtures>=3.0.0 # Apache-2.0/BSD
 PyYAML>=3.10 # MIT