diff --git a/test-requirements.txt b/test-requirements.txt
index f9925e1..d9b4f55 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,7 +6,7 @@ hacking<0.11,>=0.10.0
 oslotest>=1.10.0 # Apache-2.0
 coverage>=3.6 # Apache-2.0
 futures>=3.0;python_version=='2.7' or python_version=='2.6' # BSD
-fixtures>=1.3.1 # Apache-2.0/BSD
+fixtures<2.0,>=1.3.1 # Apache-2.0/BSD
 
 # These are needed for docs generation
 oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0