diff --git a/test-requirements.txt b/test-requirements.txt
index ae3d8f2..42221e9 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -3,6 +3,7 @@
 # process, which may cause wedges in the gate later.
 
 coverage>=3.6 # Apache-2.0
+fixtures>=3.0.0 # Apache-2.0/BSD
 hacking<0.11,>=0.10.2
 mock>=2.0 # BSD
 oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0