diff --git a/test-requirements.txt b/test-requirements.txt
index 5e49814..b8bba99 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -7,7 +7,7 @@ flake8<2.6.0,>=2.5.4 # MIT
 pylint==1.4.5 # GNU GPL v2
 sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2 # BSD
 unittest2 # BSD
-fixtures>=3.0.0 # Apache-2.0/BSD
+fixtures<2.0,>=1.3.1 # Apache-2.0/BSD
 mock>=2.0 # BSD
 nose # LGPL
 testtools>=1.4.0 # MIT