diff --git a/requirements.txt b/requirements.txt
index ee0f4ad84..a8727dacf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 
 pbr>=1.6 # Apache-2.0
 
-futurist>=0.11.0 # Apache-2.0
+futurist!=0.15.0,>=0.11.0 # Apache-2.0
 oslo.config>=3.12.0 # Apache-2.0
 oslo.context>=2.4.0 # Apache-2.0
 oslo.log>=1.14.0 # Apache-2.0