diff --git a/requirements.txt b/requirements.txt
index 4af720dc..d5f4a7af 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ fuzzywuzzy==0.18.0
 sure==2.0.0
 extras==1.0.0
 python-mimeparse==2.0.0
-fixtures==4.1.0
+fixtures==4.2.2
 testtools==2.7.1
 testscenarios==0.5.0
 python-subunit==1.4.0