diff --git a/test-requirements.txt b/test-requirements.txt
index 00eba05cb48..b9754156a59 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -13,6 +13,7 @@ sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
 oslosphinx>=2.5.0 # Apache-2.0
 testrepository>=0.0.18
 testtools>=1.4.0
+testresources>=0.2.4
 testscenarios>=0.4
 WebTest>=2.0
 oslotest>=1.10.0 # Apache-2.0