diff --git a/requirements.txt b/requirements.txt
index 0fc16e54..721b961c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ Babel!=2.4.0,>=2.3.4 # BSD
 Django<2.0,>=1.8 # BSD
 django-compressor>=2.0 # MIT
 iso8601>=0.1.11 # MIT
-oslo.utils>=3.31.0 # Apache-2.0
+oslo.utils>=3.33.0 # Apache-2.0
 python-keystoneclient>=3.8.0 # Apache-2.0
 python-manilaclient>=1.16.0 # Apache-2.0
 six>=1.10.0 # MIT