diff --git a/test-requirements.txt b/test-requirements.txt
index d7fb7207..7985eab5 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 
 hacking<0.11,>=0.10.0
-coverage>=3.6 # Apache-2.0
+coverage>=4.0 # Apache-2.0
 ddt>=1.0.1 # MIT
 django-nose>=1.4.4 # BSD
 reno>=1.8.0 # Apache2