diff --git a/requirements.txt b/requirements.txt
index 5f3912486..76b731540 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ keystoneauth1>=2.1.0 # Apache-2.0
 iso8601>=0.1.9 # MIT
 oslo.i18n>=1.5.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
-oslo.utils>=3.2.0 # Apache-2.0
+oslo.utils>=3.4.0 # Apache-2.0
 PrettyTable<0.8,>=0.7 # BSD
 requests!=2.9.0,>=2.8.1 # Apache-2.0
 simplejson>=2.2.0 # MIT