diff --git a/test-requirements.txt b/test-requirements.txt
index 29d8f9d..552d826 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -5,7 +5,7 @@
 hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
-futures>=3.0;python_version=='2.7' or python_version=='2.6' # BSD
+futures>=3.0.0;python_version=='2.7' or python_version=='2.6' # BSD
 fixtures>=3.0.0 # Apache-2.0/BSD
 
 # These are needed for docs generation