diff --git a/test-requirements.txt b/test-requirements.txt
index 09232ac..1becad9 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -5,7 +5,7 @@
 hacking<0.13,>=0.12.0 # Apache-2.0
 
 coverage!=4.4,>=4.0 # Apache-2.0
-python-subunit>=0.0.18 # Apache-2.0/BSD
+python-subunit>=1.0.0 # Apache-2.0/BSD
 sphinx>=1.6.2 # BSD
 oslotest>=1.10.0 # Apache-2.0
 testscenarios>=0.4 # Apache-2.0/BSD