diff --git a/nailgun/requirements.txt b/nailgun/requirements.txt
index 5b69072599..18142b709e 100644
--- a/nailgun/requirements.txt
+++ b/nailgun/requirements.txt
@@ -34,7 +34,7 @@ python-cinderclient>=1.0.7,<1.2.0
 networkx>=1.8,<1.10
 pydot-ng>=1.0.0
 ordereddict>=1.1
-oslo.utils<1.5.0
+oslo.utils<1.4.1
 # NOTE(prmtl): not all packages has correctly
 # requirements for stevedore - some of them install
 # newest one which case version conflicts