diff --git a/requirements.txt b/requirements.txt
index a8598b1c3..5e5e19f14 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ oslo.middleware<1.1.0,>=1.0.0 # Apache-2.0
 oslo.log<1.1.0,>=1.0.0 # Apache-2.0
 oslo.rootwrap<1.7.0,>=1.6.0 # Apache-2.0
 oslo.serialization<1.5.0,>=1.4.0 # Apache-2.0
-oslo.utils<1.5.0,>=1.4.0 # Apache-2.0
+oslo.utils!=1.4.1,<1.5.0,>=1.4.0 # Apache-2.0
 Paste
 PasteDeploy>=1.5.0
 pbr!=0.7,<1.0,>=0.6