diff --git a/requirements.txt b/requirements.txt
index 61ea5200a29..f1cad992824 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,4 +43,4 @@ retrying!=1.3.0,>=1.2.3 # Apache-2.0
 oslo.versionedobjects>=1.9.1 # Apache-2.0
 jsonschema!=2.5.0,<3.0.0,>=2.0.0 # MIT
 psutil<2.0.0,>=1.1.1 # BSD
-futurist>=0.11.0 # Apache-2.0
+futurist!=0.15.0,>=0.11.0 # Apache-2.0