diff --git a/requirements.txt b/requirements.txt
index 7010b6f..273668b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,6 +6,6 @@ pbr!=2.1.0,>=2.0.0 # Apache-2.0
 enum34>=1.0.4;python_version=='2.7' or python_version=='2.6' or python_version=='3.3' # BSD
 oslo.config>=5.1.0 # Apache-2.0
 oslo.i18n>=3.15.3 # Apache-2.0
-oslo.utils>=3.31.0 # Apache-2.0
+oslo.utils>=3.33.0 # Apache-2.0
 six>=1.10.0 # MIT
 fasteners>=0.7.0 # Apache-2.0