diff --git a/test-requirements.txt b/test-requirements.txt
index 68f4967..8d84956 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -5,8 +5,8 @@
 hacking<0.11,>=0.10.0
 oslotest>=1.5.1 # Apache-2.0
 coverage>=3.6
-futures>=3.0
-fixtures>=0.3.14
+futures>=3.0;python_version=='2.7' or python_version=='2.6'
+fixtures>=1.3.1
 
 # These are needed for docs generation
 oslosphinx>=2.5.0 # Apache-2.0