diff --git a/requirements.txt b/requirements.txt
index e0de07a7..01dd9db1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,5 +12,5 @@ iso8601>=0.1.9
 oslo.log<1.1.0,>=1.0.0 # Apache-2.0
 oslo.i18n<1.6.0,>=1.5.0 # Apache-2.0
 mock<1.1.0,>=1.0
-fixtures>=0.3.14
+fixtures<1.3.0,>=0.3.14
 WebOb>=1.2.3