diff --git a/test-requirements.txt b/test-requirements.txt
index 4988681da5..8745e31b99 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 bashate>=0.2 # Apache-2.0
-coverage>=3.6 # Apache-2.0
+coverage>=4.0 # Apache-2.0
 flake8<2.6.0,>=2.5.4 # MIT
 hacking<0.11,>=0.10.0
 mccabe==0.2.1 # MIT License